Of course, Poison Ivy has played a major role in many Batman comics, and she has starred in countless one-shots over the years. She's also shared the spotlight with other villains, like in Gotham ...

Batman's villains are brilliant, with high IQs and complex backstories. Harley Quinn, Scarecrow, Bane, and others are not just thugs, but strategic masterminds. From geniuses like Poison Ivy to ...