Barnes accidentally learned of Rogers' dual identity and offered to keep the secret if he could become Captain America's sidekick. Rogers agreed, and trained Barnes. Throughout 1941, Cap and Bucky shared many adventures stateside and throughout the world. read more
In the Marvel Cinematic Universe (MCU), the character is portrayed by Chris Evans in Captain America: The First Avenger, The Avengers, Captain America: The Winter Soldier, Avengers: Age of Ultron, Ant-Man, Captain America: Civil War, Spider-Man: Homecoming, Avengers: Infinity War (2018) and its untitled sequel (2019). read more