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Why did Captain America and Bucky fight Nazis during World War II?
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Captain America
Chris Evans as the title character in Captain America: The First Avenger (2011), directed by Joe Johnston.
In the context of the fictional character, Captain America (Steve Rogers) and his sidekick Bucky Barnes fought against the Nazi regime and the Axis powers during World War II as part of their role as patriotic superheroes defending liberty.1
After Steve Rogers was transformed into a "super soldier" via a top-secret serum, he joined the U.S. Army and embarked on a career of "Nazi-bashing" alongside Bucky. Their conflict with these forces was a central theme of the character's origins during the Golden Age of comics, reflecting the patriotic spirit of the era as they battled various villains, most notably the Red Skull.21