VIDEO : 'Avengers: Infinity War' Trailer Reveals 'Black Panther' Spoiler

A spoiler for 'Black Panther' was spotted in the trailer for 'Avengers: Infinity War.'

Winston Duke's M'Baku, a.k.a. ?Man-Ape?, can be seen next to Wakandan king T'Challa, alongside Captain America.

This reveals plot details for 'Black Panther,' where M'Baku challenges T'Challa's right to rule the throne.

M'Baku was exiled from Wakanda and joined a super villain team to fight the Avengers.

'Black Panther' hits theaters February 16th.