M'Baku is the leader of the Jabari Tribe, a group of Wakandans who have removed themselves from mainstream society.
Real Name: M'Baku
Portrayed by: Winston Duke
1. Black Panther
He is a staunch opponent of T'Challa's rule who ends up torn between challenging him for the throne only to help him defend Wakanda from Erik Killmonger.
Seeing the threat that Killmonger posed to the world, M'Baku chose to save T'Challa's life and gathered his armies to help defeat Killmonger in their final battle, with M'Baku gaining a seat on the Tribal Council as a result of his choice.
2. Avengers: Infinity War
M'Baku later aided the rest of Wakanda in defending the city from Thanos' army but while succeeding in killing all of Thanos' forces, they failed to stop him from gathering all six Infinity Stones and M'Baku was one of the few survivors of the battle.