Do you want to compare X-23 with Mister Sinister? Discover the powers, weakness & weapons of X-23 and Mister Sinister from X-23 Biography and Mister Sinister Biography. Find out all about X-23 and Mister Sinister.# Check out how is X-23 unique and distinct from Mister Sinister. Discover their love interest, sidekicks, family tree and the movies and games list in which X-23 and Mister Sinister have appeared. Find out everything about them here!