Warner Bros. has reportedly settled on a director for its long-discussed Suicide Squad spinoff movie believed to be Birds of Prey, led by Margot Robbie as Harley Quinn.

Deadline notes that while Cathy Yan is a relative newcomer, she impressed the studio with her presentation for Birds of Prey; add to that Robbie's insistence that the film be directed by a woman. With that, Yan will become the second female director behind the camera of a DC movie, after Wonder Woman's Patty Jenkins.

RELATED: The Gotham City Sirens Movie May Have Quietly Become Birds of Prey, Again

Although the outlet seems certain the project is the Harley Quinn spinoff, it initially refers to it only as "an untitled girl gang movie" from Warner Bros. and DC Entertainment. Although had been some question in recent weeks whether that film is Birds of Prey or Gotham City Sirens, it's clear it will be led by Robbie.

Announced in May 2016, ahead of the release of Suicide Squad, the female ensemble film was then believed to be based on DC's Birds of Prey comic, a crime-fighting team traditionally comprised of Batgirl, Black Canary and Huntress. That seemed to morph into Gotham City Sirens, based on the comic featuring Harley Quinn, Catwoman and Poison Ivy, with Suicide Squad writer/director David Ayer attached. However, following a report earlier this year that suggested Gotham City Sirens had been placed on hold, there were indications Birds of Prey had been revived, penned by newly anointed Batgirl screenwriter Christina Hodson.

Deadline contends Birds of Prey could start filming by the end of this year or the beginning of 2019.

KEEP READING: Harley Quinn and Joker Are the Future of the DCEU