The Suicide Squad movie will feature a number of villains from Batman’s rogues’ gallery. People are most excited about the Joker and Harley Quinn, but Deadshot and Killer Croc are also primary adversaries of Batman. So, it would make sense to have other Batman villains in a future Suicide Squad
Poison Ivy is overdue for an appearance on the big screen and she has been a member of the Suicide Squad in the comics. The last time Poison Ivy was seen on the big screen was in the critically maligned Batman and Robin, where she was portrayed in campy fashion by Uma Thurman.