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