Despite an underwhelming reaction to Suicide Squad, one of the best parts of the movie was Harley Quinn who was portrayed by Margot Robbie. This was why it was not a surprise when "Gotham City Sirens", a movie about the female villains of Gotham City, was announced. Margot Robbie is slated to reprise her role as Harley Quinn and rumors are starting to swirl that Megan Fox has expressed interested in playing the role of Poison Ivy.

According to Screen Rant, "Gotham City Sirens" will also feature Catwoman teaming up with Poison Ivy and Harley Quinn. The trio are expected to unleash havoc into the streets of Gotham City but it is not yet known which protagonist will take them down even though the obvious choice is Batman. Fox has been linked to the role of Poison Ivy because she stated in an interview that she wants to play the comic book character. Numerous websites have already listed their picks for who should play Catwoman and Poison Ivy.

Will Smith, according to Just Jared, is interested in co-starring alongside Margot Robbie in "Gotham City Sirens." He is expected to reprise his role as thief Deadshot in the Suicide Squad spinoff. Will told MTV that he enjoyed working with Margot and would want to be involved with anything the actress wants to do. Will Smith will next be seen in the critically acclaimed drama "Collateral Beauty" opposite Kate Winslet.

After the movie got announced, numerous rumors about the cast and director started to pop up but nothing has been confirmed yet for "Gotham City Sirens." It is another movie coming about of the DC Extended Universe as they are expected to release several movies in the next couple of years including "The Flash", "Justice League of America",  "Cyborg", "Wonder Woman" and "Aquaman."