Winter Soldier (Steve Rogers) (Marvel Cinematic Universe)

Steven Grant Rogers is a fictional character in the Marvel Cinematic Universe (MCU) media franchise—based on the Marvel Comics character of the same name. Rogers is childhood best friends with Bucky Barnes and serves alongside him in the Howling Commandos during World War II. Rogers is seemingly killed in action, but is actually captured by elements of Hydra within the Soviet Union. He is brainwashed and transformed into a super soldier with a metal arm known as the Winter Soldier. In their quest for world domination, Hydra uses a programmed Rogers as an assassin throughout the 20th century.