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