10 Upcoming Superhero Movies Hollywood Needs To Stop Pretending Will Happen

3. Gotham City Sirens

Gotham City Sirens
Warner Bros.

Even though it's technically part of the DCEU, Suicide Squad and its myriad of in-development spinoffs might as well be considered its own mini-universe at this point. Though David Ayer's film wasn't well received critically, it still remains one of WB's highest-grossing superhero films, with Harley Quinn being a bona-fide pop-culture phenomenon.

It makes sense, then, that the studio immediately greenlit a bunch of projects involving the anti-villain. The two that looked initially the most likely were Gotham City Sirens and Birds of Prey, the former of which was going to be directed by David Ayer himself and would team Harley up with the likes of Catwoman and Poison Ivy.

Since then though it's been put on the back-burner, allegedly in favour of Birds of Prey, which recently nabbed a director in Cathy Yan. Considering the similarities between both projects, though, it's difficult to see both movies getting made, especially when WB have got Suicide Squad 2 and a Harley/Joker film on the cards.

Rumours suggest Sirens has indeed been placed on indefinite hold for now, with WB all but completely dropping the project in favour of the other 20 DC projects they have on the go.

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Josh has over 11 years of experience as a published writer, having worked nine of those years as a full-time content producer at WhatCulture. In that period he has created hundreds of articles, videos and podcast episodes for multiple WhatCulture channels, specialising in gaming, horror and film & TV. He now primarily works as a senior content producer and presenter on WhatCulture Gaming where he co-hosts the WhatCulture Gaming Podcast, a top 3 UK most listened to gaming podcast that he co-created in 2018. Over the years he has reviewed several high-profile gaming releases, covered industry events with on-site reporting, opined on breaking news, and even kicked off his interviewing career by chatting to childhood hero, Tommy Wiseau.