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