Thanos

Thanos is the main antagonist of the entire Marvel Cinematic Universe''. He is a tyrannical warlord created by Marvel Comics, he appears at the end credits of The Avengers' and Avengers: Age of Ultron' as well as a minor character in Guardians of the Galaxy. He will appear as the main antagonist of Avengers: Infinity War' and its untitled sequel Avengers 4'. ''