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