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