VIDEO : Jessica Chastain Would Consider Playing Poison Ivy

A "Suicide Squad" spinoff movie is in the mix. According to reports, "Warner Bros." is developing a "Gotham City Sirens" film written by Geneva Rovertson-Dworet. David Ayer is set to direct the film, and it will star Margo Robbie's Harley Quinn. The plot will focus on Harley Quinn teaming up with Catwoman and Poison Ivy to take on the evil Black Mask. In a recent interview, actress Jessica Chastain said she'd definitely consider playing Poison Ivy and said "I like female characters that are subjects, not objects."