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"Whosoever holds this hammer, if he be worthy, shall possess the power of Thor."
Odin[src]

Mjølnir was a powerful enchanted war-hammer forged by the Dwarves for the Asgardian Royal Family. The hammer was destroyed by Hela during a confrontation between her, Thor and Loki in 2017.

Following the Snap, Thor time traveled to 2013 and brought the past version of the hammer into 2023, where it was primarily used by Captain America during the Battle of Earth. Following Thanos' death, Captain America traveled back in time to Asgard of 2013 in order to return Mjølnir.

History

Creation

"It was made from this special metal from the heart of a dying star."
Thor to Korg[src]

Mjølnir was forged as a weapon made of Uru in Nidavellir per Odin's request, with the Dwarves using the power of their forge in the heart of a dying star to create it.[1][2]

Conquering the Nine Realms

During Odin's conquests of the Nine Realms, his eldest daughter, Hela, possessed Mjølnir and with it she helped her father in his battles. Only after Odin locked her up in Hel was Mjølnir taken from her.[3]

New Owner

"Thor Odinson, my heir, my first-born. So long entrusted with the mighty hammer, Mjølnir. Forged in the heart of a dying star. It's power has no equal! as a weapon to destroy, or as a tool to build. It is a fit companion for a king."
Odin to Thor[src]
ThorPrince

Thor shows off Mjølnir to the people of Asgard

Sometime before his coronation to the king of Asgard, Thor received Mjølnir. He showed off with it in the coronation. However, the ceremony was interrupted by a group of Frost Giants trying to steal the Casket of Ancient Winters from Odin's Vault. Thor wanted to go to Jotunheim and show the Asgardians' strength to ensure the Giants would never trespass in Asgard again. By using the Bifrost Bridge, Thor, Loki, Lady Sif and the Warriors Three arrived in Jotunheim. After King Laufey mocked him, Thor used the full power of Mjølnir to kill as many Giants as he could and even to kill the Frost Beast.[1]

Thor's Banishment

Taking Power

Odin chooses to take away Thor's power

"I now take from you your power! In the name of my father and his father before, I, Odin Allfather, cast you out!"
Odin to Thor[src]

After the battle against the Frost Giants, destroying the fragile truce between them and the Asgardians, Odin punished Thor by stripping him of his godly powers. Odin exiled Thor to Earth as a mortal, accompanied by his hammer Mjølnir, now protected by an enchantment spoken by Odin so that only a worthy person could wield its power. Both were transported to Puente Antiguo, New Mexico.[1]

Landing on Earth

Iron Man 2 2997

Mjølnir crash lands within New Mexico

"Team goes in, determines if it's useful or poses a threat. Last one turned out to be pretty interesting."
"What was the last one?"
"A hammer."
Phil Coulson and Skye[src]

An "0-8-4" was reported, an object of unknown origin, by S.H.I.E.L.D. which Agent Phil Coulson investigated.[4] When he arrived in New Mexico, he observed a massive crater created by Mjølnir. Coulson then called Nick Fury to inform him that he found it.[5] Elliot Randolph, an expert in Norse Mythology and a professor of the University of Seville, was used as a consultant.[6]

Thor-Hammer-Rain

Thor tries and fails to pick up Mjølnir.

When Thor discovered Mjølnir's nearby location, he attempted to retrieve it from the facility that S.H.I.E.L.D. quickly constructed around the hammer, but he found himself unable to lift it, and was captured. With the help of Erik Selvig, he was freed and resigned himself to his exile on Earth.

Later, Loki, invisible to mortals, came to the facility where he attempted to lift the hammer, but he could not. When he seized the throne of Asgard, he sent the Destroyer to Earth to kill Sif, the Warriors Three, and Thor. The Destroyer attacked and defeated the Asgardian warriors, prompting Thor to sacrifice himself instead. Struck by the Destroyer and near death, Thor's sacrifice proved him worthy to wield Mjølnir. The hammer returned to him, restoring his powers and enabling him to defeat the giant automaton.

Thor returned to Asgard where he stopped Loki's plan to destroy Jotunheim. To do that, he had to destroy the Rainbow Bridge with Mjølnir.[1]

Chitauri Invasion

CAShieldvsMjonir-TheAvengers

Mjølnir strikes on Captain America's Shield

"You want me to put the hammer down?"
Thor to Captain America[src]

Sometime later, when Loki reappeared on Earth, Thor came to capture him. Loki was captured by Iron Man and Captain America, but they were not willing to hand him over to Thor. Thor fought against them, but even Mjølnir was powerless against Captain America's Shield. When Thor struck the shield with Mjølnir, it created a huge shockwave that leveled the forest for hundreds of yards.

While in battle against Hulk, Thor used Mjølnir to knock the Green Goliath off his feet with a well-placed blow to the jaw. When Thor threw Mjølnir, Hulk tried to catch it only to be dragged straight down to the ground with him. Even with all his strength, Hulk was unable to lift Mjølnir, giving Thor an upper hand in the fight.

God of Thunder

Thor summons lightning against the Chitauri

After joining forces with the Avengers, Thor used Mjølnir to great effect against the Chitauri. It was, however, unable to disarm the Tesseract. On the battlefield, Thor used Mjølnir to throw lightning at the Chitauri portal, bringing down a Leviathan and to simply kill potentially hundreds of Chitauri.[7]

Return of the Dark Elves

Thor also used Mjølnir against the Marauders during the War of the Nine Realms, notably destroying a Kronan with one hit, as well as the Dark Elves when they invaded Asgard. Mjølnir was also used to throw lightning at Malekith, burning the right side of his face.

Thor-Mjolnir-TTDW

Thor attempts to destroy the Aether

When dealing with the Aether, Mjølnir's lightning managed to shatter it into shards, only for it to reform later.  Mjølnir was also no match against the Kursed Algrim who simply deflected it when Thor summoned it to strike him. Mjølnir, however, worked greatly against Malekith on Earth, with Thor being able to deflect many of his Aether powers. The constant shifting of the fighting between worlds caused Thor and the hammer to become separated, but at the battle's apex, as Malekith unleashed the Aether to complete his plan, Thor was able to summon Mjølnir back to his hand and use it to bury the last of Erik Selvig's gravitational devices into Malekith's chest, allowing Jane Foster to transport the Dark Elf warlord to his death on Svartalfheim.

Following the end of Malekith's campaign, Thor returned home to Asgard to speak with Odin, unaware that Loki had usurped the throne and was impersonating the All-father. During their conversation, Thor offered Mjølnir back to "Odin" who refused it. "Odin" then gave his blessing for Thor to relocate to Earth, and Thor, along with Mjølnir, were transported to London using the Bifrost Bridge.[8]

Return to the Avengers

Cap Mjolnir

Captain America attempts to lift Mjølnir

"It's terribly well balanced."
"Well, if there's too much weight, you lose power on the swing."
Vision and Thor[src]

Mjølnir was used by Thor in conjunction with Captain America's Shield during their raid on Wolfgang von Strucker's HYDRA base in Sokovia, with Captain America holding the shield up and Thor hitting the shield with the hammer, causing a shockwave that incapacitated their enemies.

Following the battle, the Avengers organized a party at the Avengers Tower to celebrate the recovery of Loki's Scepter and the defeat of Wolfgang von Strucker. Some of the Avengers played a game to see if anyone could lift Mjølnir. Only Steve Rogers managed to move the hammer slightly, which momentarily discomforted Thor. In reality, Steve had been deemed worthy by Mjolnir, causing the slight movement, but he chose not to lift the hammer.

Quicksilver-grabs-Mjolnir

Quicksilver tries and fails to take Mjølnir

Running at super speed, Quicksilver saw Mjølnir fly past him as Thor threw it during the Battle at the Salvage Yard. Planning to use it against the Avengers, Quicksilver grabbed the flying hammer; it dragged him across the facility until he released it. Captain America was able to use that opportunity to knock out the dazed and confused opponent.

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Vision picks up Mjølnir to give back to Thor

Acting on a vision he had received, Thor used Mjølnir to recharge the Cradle containing Ultron's incomplete biological body, resulting in the birth of the Vision. A few moments later, as the Avengers were debating whether they could trust him, the Vision easily lifted Mjølnir and casually handed it to Thor. Since the hammer had judged him worthy, Thor accepted the android as an ally and, later, advised he be allowed to continue to be entrusted with the Mind Stone.

Mjølnir was once again used in conjunction with Captain America's Shield to create a combination attack that destroyed many Ultron Sentries as the Battle of Sokovia waged. Captain America would throw his shield and allow Thor to hit it with Mjølnir, causing the shield to fly faster as a projectile weapon.

Vision-hits-Ultron-with-Mjølnir

Vision uses Mjølnir to hit Ultron

Vision's ability to use the hammer was utilized during the Ultron Offensive, who of course was not expecting anyone besides Thor to use it. Vision commented that Mjølnir was "terribly well-balanced", which Thor said was necessary so that its wielder did not lose momentum on forward swings.[9]

Destruction

Mjolnir Block (Muspelheim)

Thor battles against the armies of Surtur

"Our sister destroyed your hammer like a piece of glass."
Loki to Thor[src]

Mjølnir was used by Thor when he was imprisoned in Muspelheim. He summoned his hammer to get free of his shackles and then fought Surtur's army of Fire Demons using it, dropping it inside the jaw of a large dragon, rendering it temporarily immobile. Upon returning to Asgard, after learning from Surtur that Odin was no longer there, Thor used Mjølnir to threaten the "Odin" impostor to reveal himself, and as he suspected he was revealed to be Loki. The two brothers went to Earth to find their father, so in order to hide it from the public, Mjølnir transformed into an umbrella.

Thor Ragnarok 108

Mjølnir before it is destroyed by Hela

Thor was aided by Doctor Strange to find Odin. After the latter located him in Norway, Thor summoned Mjølnir to him, breaking many artifacts of the New York Sanctum in the process. In Norway, before his death, Odin revealed to his sons that they had a sister named Hela who would try to rule Asgard by force after his death. When Hela arrived at their location, Thor threw Mjølnir at her, but she managed to block the attack and hold the hammer with her bare hand. Much to Thor's surprise, Hela shattered Mjølnir with little effort.[3]

Retrieved from the Past

I'm still worthy

Thor time travels to 2013 and retrieves Mjølnir

"I'm still worthy!"
Thor[src]

In 2023, Rocket Raccoon and Thor traveled ten years to the past to Asgard in 2013 in order to extract the Aether from Jane Foster. While in the past, Thor decided to summon Mjølnir, bringing it with him to 2023.

Stormbreaker & Mjolnir (Endgame)

Thor dual-wielding Stormbreaker and Mjølnir

After returning to the present after using all six Infinity Stones to reverse the Snap, the New Avengers Facility was attacked by Thanos and his minions. In order to kill Thanos once again, Thor dual-wielded both Mjølnir and Stormbreaker and attacked the Mad Titan. While Thor managed to duel Thanos effectively with both weapons, Mjølnir was knocked out of Thor's possession while Thanos attempted to use Stormbreaker to impale the God of Thunder.

CapHoldsMjolnir-FirstTime

Captain America using Mjølnir against Thanos

As Thor struggled to defend himself against Thanos, Captain America, who had been deemed worthy by Mjølnir as Thor suspected few years ago, used the hammer to fight the Mad Titan, combining its lightning abilities and strength in conjunction with his shield. After the resurrected heroes joined the fight, Captain America used the hammer's lightning abilities to defeat Thanos' army before hurling Mjølnir towards Spider-Man, who fired a web strand at it and used it to fly above the Chitauri and the Outriders.

After the Battle of Earth had been concluded, Captain America was tasked with transporting all six Infinity Stones and Mjølnir to their proper times in order to prevent massive changes to the alternate timelines, and traveled back in time to 2013 to return Mjølnir and the Reality Stone to Asgard.[10]

Capabilities

"Forged in the heart of a dying star, its power has no equal, as a weapon to destroy or as a tool to build. It is a fitting companion for a king."
Odin[src]
Thor had been entrusted with the mighty hammer Mjølnir, that was "forged in the heart of a dying star." Thor's mystical hammer Mjølnir, which resembled a mallet rather than a war hammer, had a number of elemental powers. It has been stated by Odin himself that Mjølnir's power had no equal, though its power has been contested by the strength of vibranium and the power of the Infinity Stones. Mjølnir was extremely durable and, combined with the various enchantments placed upon it by Odin, it was, for all intents and purposes, indestructible. It had deflected three blasts from the Destroyer (which were able to disintegrate its targets and cause explosions) and returned a blast back to it. Thor often used the hammer as a blunt melee weapon, with almost nothing being capable of withstanding a hammer strike or throw (with the exception of Captain America's Shield). Thor used Mjølnir for a variety of short- and long-range attacks, either by direct hits or by throwing it. It returned to Thor whenever he threw it or summoned it, regardless of the impending obstacles and distance; even traveling through realms. Whenever dropped by Thor, it assumed a fixed position from which no one could move it except for a "worthy" individual. Those worthy of wielding Mjølnir would find swinging the hammer nearly effortless, as Vision stated that it was "terribly well-balanced". Thor also used it for directing his summoned elements, such as lightning, wind, rain, and snow. It was later revealed that Thor's lightning abilities never originated from Mjølnir, but rather it was a tool to help him focus and hone his powers until he was able to master his power and freely wield them. Despite this, the hammer appears to have the power to summon lightning even when Thor isn't wielding it, as seen when Captain America used Mjølnir to strike Thanos with lightning from the sky. After being retrieved from the past, Mjolnir granted Steve Rogers abilities similar to Thor's, such as enhanced strength and durability, making Rogers able to go head to head with the Mad Titan Thanos.
"Every time I threw it, it would always come back to me."
"Sounds like you had a pretty special intimate relationship with this hammer."
Thor and Korg[src]
Mavengersfilmstillsgh35

Thor summoning Mjølnir from a far distance

  • Weapon Summoning: Mjølnir obeyed Thor's summons as though it were alive. Mjølnir traveled to Thor when it was displaced within a crater from miles away, reaching him in seconds. Mjølnir would return to Thor whenever it was thrown at an opponent. While battling the Hulk in a hanger of the Helicarrier, Thor summoned Mjølnir from another room and it came crashing through the Helicarrier to get to him. After Mjølnir was hurled, Thor was able to change the hammer's direction and trajectory in flight easily with his thoughts. However, if it is caught by someone worthy or with tremendous strength, Thor would be unable to pull it back to his hand, as was evidenced by Hela gripping it and therefore preventing Thor from summoning it back.
"When I spun it really fast it gave me the ability to fly."
Thor to Korg[src]
  • High-Speed Flight: Thor was capable of hurling Mjølnir with great force and, by holding onto the leather thong or strap, was capable of flying through the air at tremendous speeds. How fast was not specified, but he was able to remain aloft in the middle of a Class-5 tornado, and traverse the distance from his father's chambers to Heimdall's Observatory and back again in seconds. He used Mjølnir to fly into combat against Iron Man in the woods, to fly to the top of a skyscraper and on top of a Chitauri warship. However, Mjølnir apparently only allowed the wielder to remain airborne when moving continuously, so Thor was unable to hover in one spot using it.
  • Density Manipulation: Mjølnir's enchantment allowed its worthy wielders to swing it nearly effortlessly yet, in reality, it was as heavy as a mountain to an average person. Its ability to manipulate its weight allowed Mjølnir to fly at high speeds without slowing down when hurled as well as have it strike with a massive concussive force equal to at least that of a grenade. In Jotunheim, Thor bashed the Frost Giants around him with his war hammer, then threw Mjølnir, making it strike multiple Frost Giants in its path in moments. Quicksilver and Hulk were pinned down by Mjølnir's immense weight, as was Loki. Mjølnir's momentum could also be manipulated. If held by someone worthy, its momentum would be that of a simple hammer. If caught and held by someone unworthy in mid-air after being thrown by someone worthy, its momentum would be that of a heavily-weighted object with its velocity unchanged. However, an immensely strong entity could catch it easily without being overwhelmed by the force, as evidenced when Hela effortlessly caught it and prevented Thor from pulling it back simply by gripping it firmly.
  • Clothing Generation: Mjolnir was able to conjure armor onto its user or change their combat attire into something more casual. Thor took advantage of this ability to change from Asgardian casual wear to his armor, and from his armor to human street clothes. Additionally, the hammer demonstrated being able to transform and disguise itself to an extent, either through enchantments placed upon it or from its own power, which notably allowed it to transform into an umbrella and then back again. Thor removed these disguises using his lightning when facing Hela.
  • Resurrection: Mjølnir could heal and return people from death, as it was capable of reviving Thor after he was killed by the Destroyer. This power may be restricted to those who are worthy of wielding it.
  • Energy Blast: With Mjølnir, Odin channeled and projected a powerful blast of energy, using it to remove all of Thor's superhuman powers and destroyed what was left of Thor's armor after stripping most of it off of him, throwing him through the Bifrost Bridge to Earth.
  • Physical Augmentation: When Steve Rogers wielded Mjølnir, it greatly enhanced his physical abilities, such as strength and durability, which allowed him to fight against Thanos on equal terms although he became eventually overpowered due to Thanos's superior skills.

Appearances

Appearances for Mjølnir

In chronological order:


In an alternate timeline:

Trivia

  • In the comics, the hammer's name translates as "The Crusher" or "The Grinder". However, in Norse mythology, its name translates as "That which smashes".
  • The MCU pronunciation for Mjølnir is ME-ol-near.
    • Darcy Lewis has always mispronounced the hammer's name as "Mew-mew" or "Myeu-muh".
  • In Thor: Ragnarok, Thor disguises Mjølnir as an umbrella and taps it on the ground to change into his armor, the same way that Donald Blake disguised Mjølnir and used it as a walking stick in the comics.

References

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