James Gunn confirmed that the filmmaker is making an Arkham series based within the DCU, the new timeline he's crafting with co-chair Peter Safran. Originally, the series was meant to focus on the inner workings of the Gotham City Police Department (GD), as a prequel to The Batman film and touching on the corruption and the city's infestation with volatile criminals. However, the project later evolved into the idea of a horror show set within the confines of Arkham Asylum, the psychiatric facility housing the most deranged villains from the Dark Knight's rogues gallery.
“Right now, Matt is producing Arkham as a DCU series, so there's just the two for now,” Warner Bros. Discovery as a DC Universe project and that he had no knowledge of the changes it went through beforehand.
A day before his and plans to expand the universe via spin-off TV shows based on villains like Professor Pyg, Clayface, and Scarecrow.
Back in January, Gunn and Safran starring David Corenswet as Clark Kent and Rachel Brosnahan as Lois Lane — slated to release July 11, 2025. Then there's a Creature Commandos animated show, Supergirl: Woman of Tomorrow, Booster Gold, a limited series based on Amanda Waller, and more.
Currently, there is no release window for the Arkham TV series.