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