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