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