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