For Disney, he played James "Bucky" Barnes/The Winter Soldier/The White Wolf in the 2011 film, Captain America: The First Avenger, based on the Marvel Comics character. Stan reprised the role in Captain America: The Winter Soldier, Ant-Man, Captain America: Civil War, Black Panther, Avengers: Infinity War, Avengers: Endgame, and The Falcon and the Winter Soldier.
- Stan was originally shortlisted for the role of Captain America in Captain America: The First Avenger,, but Chris Evans was cast instead. Stan ended up portraying Captain America's best friend, James "Bucky" Burnes/The Winter Soldier/The White Wolf, who played a major role in the film's sequels, Captain America: The Winter Soldier, Captain America: Civil War, and many other films in the Marvel Cinematic Universe.
- Sebastian Stan was uncredited for his cameo in the post-credits scene in Ant-Man.