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