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