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