Steve's childhood best friend, brainwashed into a legendary Soviet assassin with a metallic arm.
One of the most common criticisms of early MCU films was the "weightless" action—actors swinging on wires against green screens. The Winter Soldier violently corrects that course. Captain America- The Winter Soldier
—his best friend who had supposedly died in 1945. Bucky had been recovered by the Soviets, fitted with a bionic arm, and brainwashed into a weapon. Steve's childhood best friend, brainwashed into a legendary