After delivering Suicide Squad to audiences last year as the third installment of the DC Extended Universe, director David Ayer decided to turn his attention to Gotham City Sirens, which will see Harley Quinn teaming up with Poison Ivy and Catwoman like she did in the comic book series of the same name. Updates on this spinoff have been few and far between, but following the report earlier this week that Warner Bros is moving forward with a Joker and Harley Quinn movie, it's been rumored that the clownish couple's cinematic adventure is replacing Gotham City Sirens. Well, it turns out that isn't the case at all,...