Do you want to compare Atrocitus with Mister Sinister? Discover the powers, weakness & weapons of Atrocitus and Mister Sinister from Atrocitus Biography and Mister Sinister Biography. Find out all about Atrocitus and Mister Sinister.# Check out how is Atrocitus unique and distinct from Mister Sinister. Discover their love interest, sidekicks, family tree and the movies and games list in which Atrocitus and Mister Sinister have appeared. Find out everything about them here!