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