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