M'Baku

Lord M'Baku is an anti-hero in the 2018 Marvel superhero film Black Panther. He is the brutish leader of the Jabari Tribe who tries overthrowing T'Challa/Black Panther in order to rule over Wakanda. He later returned as a supporting character in Avengers: Infinity War and in its sequel Avengers: Endgame.
He is portrayed by Winston Duke, in his first film role.