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