In Captain America: Civil War, Black Panther is the superhero identity of T’Challa, the King of Wakanda, a fictional African nation. After eating a mysterious plant poisonous to many non-Wakandans, he gained the peak of human strength and agility on the same level as Captain America. Black Panther is Marvel’s answer to Batman.
Bucky Barnes (Sebastian Stan) is Captain America’s brother-in-arms until his plane explodes in Soviet airspace. The Russians rescue him, using the opportunity to program him to work for them as an assassin code-named the Winter Soldier. They also patch him up with a bionic arm, all the better for assassinating targets.
Captain America’s former main squeeze, Agent Peggy Carter (Hayley Atwell) works as one of S.H.I.E.L.D.’s top agents. As one of the first female agents, she’s often put to the test to prove her grit. Her talents as a marksman, combined with her skills as a top agent, make her a force to be reckoned with.
A frail Steve Rogers takes an experimental serum and becomes Captain America, a World War II hero and leader of the Avengers. As the name suggests, he’s pretty patriotic, garbing himself head to toe in the stars and stripes. Most recently, Cap has been played by actor Chris Evans.