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Sebastian Stan has taken Bucky Barnes/The Winter Soldier through an emotional journey in the Marvel Cinematic Universe. He’s gone from Steve Rogers’ best friend and a soldier in the United States Army to a Hydra-controlled assassin and back and forth. He’s currently on ice in Wakanda after Captain America: Civil War.

There could be even more major changes for Bucky if his MCU trajectory matches that of the comics. For a brief period when Steve Rogers was “dead,” Bucky assumed the role of Captain America. Stan would be happy to play that out in the MCU, but cautions that it’s not as simple as handing Bucky a shield.

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