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