Between news of a Margot Robbie-produced Harley Quinn movie and the nature of Hollywood studios, it's no surprise that Warner Bros. hopes "Suicide Squad" will spawn spinoffs and sequels. However, writer/director David Ayer suggests that could only be the beginning.

"Because of the nature of the comic book universe and the DC Universe, it's really infinite in any way you can go, especially the DC Universe," the filmmaker told CBR and other outlets during a visit to "Suicide Squad's" Toronto set. "I think it's one of the most complex fiction universes with 'Crisis' and pre-'Crisis' and the multi-dimensional nature and all the timelines.

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"Each one of these characters could be their own film. The Suicide Squad could be a zillion films," he added. "The backbone of this story is right out of canon, and it's one comic book. I'm not going to say which one. That's just one out of a two-foot stack. The potential is always there, but as a filmmaker, you have to make the movie work and stand it up on its own two legs and be utterly complete as an experience. Otherwise, you are doing the movie injustice."

It will be quite a while before the franchise reaches a zillion films. However, the "Suicide Squad" cast is already signed for multiple sequels.

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"Oh, I heard forever," Robbie told reporters. "I could play Harley for a long time. I don't know how long. We've signed on -- I think everyone is committed to a couple of films."

"We're all around for a few movies should they choose to make them or not," added Jai Courtney, who plays Boomerang. "I hope so. I'm having way too much fun to think about letting this go."

"Suicide Squad" opens Aug. 5.