SPOILER WARNING: The following videos contain spoilers for "Captain America: Civil War" as Bucky Barnes and T'Challa trade blows in a fight scene from Marvel Studios' anticipated superhero showdown. And in case you were wondering, Chadwick Boseman verifies for Jimmy Kimmel that it is indeed the actor, not a stuntman, in the suit.

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Bosemann also discussed what it was like to prepare for the role, how fans reacted to him in the year between his casting announcement and when he started filming, and how he incorporated real African speech patterns and inflection into his character's fictional accent.

Directed by Joe and Anthony Russo and starring Chris Evans, Robert Downey Jr., Scarlett Johansson, Anthony Mackie, Sebastian Stan and more, "Captain America: Civil War" opens on May 6, 2016.