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