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