2015

This is a timeline of events that occurred in 2015.

29th

 * Attack on HYDRA Headquarters: The Avengers raid HYDRA's main research base in Sokovia and defeat all of the organization's present soldiers. During the raid, Hawkeye is injured and the team successfully commandeer the Chitauri Scepter and Wolfgang von Strucker from the facility. This brings an end to the War on HYDRA.
 * Upon returning to the Avengers Tower, Hawkeye is healed by Helen Cho. Also, Tony Stark and Bruce Banner discover an artificial intelligence stored inside the Scepter's stone. They choose to secretly use it for their Ultron Program, spending the next three days trying to develop it.

2nd

 * To celebrate the team's current success, Stark has a party. During which, Ultron awakens, attacks J.A.R.V.I.S., and creates body for himself out of the broken pieces of one of the drones from the Iron Legion. Afterwards, Thor tries to get his fellow Avengers and the remaining guests to try and lift his hammer, Mjølnir. All that tried failed.
 * Attack on Avengers Tower: Shortly after the game, Ultron revealed himself in his new body. He then proceeded to have Iron Legion drones attack them. Luckily, they defeated the drones fairly quickly and Thor destroyed Ultron's body. Unfortunately, Ultron managed to seize the body of another drone and escape with the scepter.
 * Following his attack on the Avengers, Ultron flies to the Sokovian HYDRA research base to make a new body and an army of drones to be controlled by him.
 * Seeing potential in their abilities, Ultron contacts Pietro and Wanda Maximoff, twins with the abilities of super speed and telekinesis, respectively. They join him on his quest for peace, not knowing that he actually plans to extinguish humanity.
 * After obtaining the twins, Ultron kills Wolfgang von Strucker and paints the word "PEACE" on the wall with Strucker's blood.
 * The other Avengers confront Stark and Banner about making Ultron without their knowledge. They then figure out that Ultron is planning to use vibranium to become even more powerful.

3rd

 * Battle at the Salvage Yard: Ultron, along with the twins, head to South Africa to obtain vibranium from Ulysses Klaue. While they try to nogotiate with him, Ultron looses his temper and cuts off Klaue's arm. Afterwards, the Avengers arrive and try to stop Ultron from taking the vibranium, but they are stopped by the twins, specifically Wanda, who manages to cloud the minds of all the Avengers, but Hawkeye and Iron Man.
 * Duel of Johannesburg: The Hulk's vision forces him to rampage in the city of, forcing Tony to summon one of his armors specifically made for stopping the Hulk. The Hulk and Stark battled throughout the city, resulting in the Hulk's eventual defeat after his vision faded away.

4th

 * Being both feared and hated by many people worldwide because of Stark and the Hulk's fight, the team goes into hiding at Hawkeye's farm and get to meet his wife, Laura Barton, and their kids, Cooper and Lila. Still scared by his vision, Thor leaves to find answers. Seeing how being on the team scars them, Banner and Romanoff plan to run away together after they help defeat Ultron with the others. Nick Fury reveals that he is also staying at the farm and inspires the team to ensure they don't loose hope. They then discover that Ultron is trying to become stronger and realize that Helen Cho may be the only person who can help him do that.
 * Thor arrives in London to speak with Erik Selvig about his vision. They go to a small pond in a cave, said to make people experience their dreams. While in the water, Thor learns of the Infinity Stones and that the gem on the Chitauri Scepter is the Mind Stone.

5th

 * In South Korea, Ultron forces Helen Cho to help make him a synthetic body with the vibranium he stole. While the body is being made, Ultron takes the Mind Stone out of the scepter and places it on the android's head. Through the body, Wanda finds out that Ultron plans to kill all of the human race, making her and her brother to flee from him. Ultron leaves the facility and has the body transported by truck.
 * Battle of Seoul: The Avengers arrive and try to stop Ultron from completing the body. Captain America fights Ultron aboard the truck, eventually falling onto a train and fighting him aboard it. On the train, the Maximoff twins use their powers against Ultron to help Captain America. Black Widow gets into the truck and tries to take the body. As she takes begins to take it, Ultron Sentries pick up the truck and try to fly it to Sokovia. Natasha manages to get the synthetic body into the team's Quinjet, but is forced back into the truck by Ultron and his sentries. Hawkeye could not save her because of the risk of loosing the android.
 * Ultron returns to Sokovia, builds a new body, and imprisons Natasha.
 * As, Barton goes to look for Natasha, Tony and Banner try to upload the reconstructed J.A.R.V.I.S. into the synthetic body. Steve arrives with the Maximoff twins, trying to stop the upload. This confrontation is brought to a halt when Thor arrives and uses Mjølnir to complete the upload quickly. The synthetic body, called Vision, states that he will side with the Avengers against Ultron. He proves himself after lifting Mjølnir and handing the hammer to Thor.
 * Hawkeye finds Natasha at the Sokovian HYDRA base. The other Avengers, along with the Maximoff twins and Vision, head to their location.

6th

 * Battle of Sokovia: The Avengers return to Sokovia and begin evacuating people out of the city. Iron Man and Vision confront Ultron, making it so that he is unable to transfer his mind outside of his body or the bodies of his sentries. Banner finds Natasha and frees her. Knowing that the team will need him, Natasha makes Banner transform into the Hulk. As the team continues to evacuate citizens, a large portion of the city begins to fly, revealing that Ultron used his remaining vibranium to make the video fly so high that it could fall into the Earth and cause an .  In the center of the city, a drill is creating a magnetic feild to help keep the city in the air. Soon, Nick Fury arrives with Helicarrier No. 64 and a few former S.H.I.E.L.D. agents, including Maria Hill and Cameron Klein. They deploy transporters for people to board and escape the city safely. The Avengers regroup at the drill, fighting off Ultron and his drones so he can't activate it. Ultron's body is heavily damaged, forcing him to retreat. As sentries try to attack the Helicarrier, War Machine joins the fight, stopping them. Ultron, critically damaged, hijacks the Avengers' Quinjet and begins using it against them. Hawkeye exits one of the lifeboats to save a young boy, but Ultron sees them and begins shooting at them. Pietro moves them out of the way, resulting in his death. Hulk leaps into the Quinjet and throws Ultron out of it. Wanda finds Ultron and rips his core out to symbolize how she felt after he killed her brother. A sentry reaches the drill and the city begins to plummet towards the Earth. Iron Man and Thor use their abilities to overcharge the drill, making it crumble into many pieces.
 * Shortly after the Sokovia's destruction, Vision encouters the last, heavily damaged, Ultron sentry, being controled by Ultron, himself. Ultron told Vision that destroying him would change nothing and humans would continue on in the path of self-destruction. Vision replied that he knew, but that humanity's imperfections make them graceful, and then he destroys the sentry, in turn destroying Ultron.

9th

 * Now with the New Avengers Facility having been created, the new roster of Avengers—Captain America, Black Widow, Falcon, Scarlet Witch, War Machine, and Vision—prepare for training.

10th

 * Tired of the failures of his subordinates, Thanos retrieves the Infinity Gauntlet.