Scott Derrickson has stepped down and will no longer direct “Doctor Strange in the Multiverse of Madness,” according to an individual with knowledge of the project. Derrickson remains an executive producer of the project.

“Marvel Studios and Scott Derrickson have amicably parted ways on ‘Doctor Strange’ in the Multiverse of Madness due to creative differences,” Marvel said in a statement to TheWrap. “Derrickson will stay on as an executive producer and we remain grateful to Scott for his contributions to the MCU.”

Details of the film are still under wraps, but during the Marvel presentation at San Diego Comic-Con 2019, Marvel Studios boss Kevin Feige said the “Doctor Strange” sequel will be “the first scary MCU film.” But, Feige joked “It’s gonna be PG-13 and you’re going to like it!” Up and coming screenwriter Jade Bartlett wrote the latest draft of “Doctor Strange in the Multiverse of Madness” for Marvel Studios.

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It was also revealed during the panel that the Disney+ series “WandaVision” will lead directly into the events of “Doctor Strange in the Multiverse of Madness,” and Elizabeth Olsen will appear in both.

“Doctor Strange in the Multiverse of Madness” is set be released on May 7, 2021 and production will start this May.

Variety first reported the news.