VIDEO : Harley Quinn Trilogy Rumored

According to comicbook.com, Margot Robbie's Harley Quinn may now be the central piece of her own trilogy.

Robbie's Quinn is set to return to the big screen in the upcoming Birds of Prey, where she'll team up with Black Canary and Huntress.

Now, a new rumor says the studio is looking to make Birds of Prey the first of a trilogy of Harley Quinn movies.

Then, the mysterious but still in development Gotham City Sirens would act as the second part of the series.