Grant Morrison, one of the original screenwriters for The Flash movie, talks about the scrapped DCEU screenplay they did with Ezra Miller. One of the DCEU projects that has taken the longest to become a reality on-screen is the DCEU's adaptation of The Flash. Miller was cast in the role back in October 2014, with plans to have a Flash solo film debut in 2018. However, The Flash ended up being stuck in development limbo after losing its director multiple times. Over the years, Seth Grahame-Smith, Rick Famuyiwa, along with John Francis Daley, and Jonathan Goldstein, came and left The Flash film at different stages and for varied reasons.
The same can be said about the film's screenwriters, as there have been multiple scribes attached to The Flash screenplay. Prior to Birds of Prey's Christina Hodson writing the final script for the upcoming 2023 film, popular DC Comics writer Grant Morrison was temporarily on board. In early 2019, Miller teamed up with Morrison to write a script for The Flash. At the time, the draft was also an attempt to keep Miller involved with the project as Barry Allen. Despite their attempt, Andy Muschietti and Hodson boarded The Flash in May 2019 as the film's final director and screenwriter, respectively.
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While Morrison (who, like Miller, uses they/them pronouns) and Miller's version of The Flash script ultimately wasn't used, the writer has further discussed what their film may have looked like. Recently, Morrison spoke to Rolling Stone, Morrison, who is highly recognized for their long comic book resume, talked about working with Miller and the short time frame the pair were given to create their Flash script to pitch to Warner Bros.
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