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