Brunnhilde rode Aragorn into the Battle of Earth, aiding the Avengers and their allies. During the battle, Pepper Potts, in her Mark XLIX armor, dropped Spider-Man onto Aragorn to help him keep the Nano Gauntlet away from Thanos' forces.
- Valkyrie Steed Physiology: As a Valkyrie Steed, Aragorn possesses traits that are distinctive from regular horses.
- Flight: Aragorn is able to use his wings to fly.
- Superhuman Strength: Aragorn is able to carry up two individuals on his back.
- Superhuman Durability: Aragorn was able to resist an energy shot from the Sanctuary II.
- In the comics, Aragorn was Brunnhilde's constant steed into battle. Before, he was owned and ridden by Dane Whitman.