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