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