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