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