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