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