<Li> Anthony Mackie as Sam Wilson / Falcon: A member of Rogers' faction of Avengers and former pararescueman trained by the military in aerial combat, using a specially designed wing pack . Mackie noted that Wilson has a grudge with other heroes like Iron Man and Black Panther after the events of Civil War . </Li> <Li> Sebastian Stan as Bucky Barnes / Winter Soldier: An enhanced assassin and Rogers' ally and best friend, who reemerged brainwashed after being thought killed in action during World War II . Barnes, who formerly went by Winter Soldier, is given the name White Wolf by the people of Wakanda, who helped remove his Hydra programming . </Li> <Li> Tom Hiddleston as Loki: Thor's adoptive brother, based on the Norse mythological deity of the same name . </Li> <Li> Idris Elba as Heimdall: The all - seeing, all - hearing Asgardian former sentry of the Bifröst Bridge, based on the Norse mythological deity of the same name . </Li>

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