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