M'Baku

M'Baku is a minor antagonist turned anti-hero in the 2018 film, Black Panther, and a supporting protagonist in Avengers: Infinity War.

He had a rivalry with T'Challa, the King of Wakanda and wished to have the throne. However, after T'Challa spared M'Baku's life, he became an ally of Black Panther and a fellow brother in arm.