Slater was the chief writer for the Marvel/Disney+ series Moon Knight, which starred Oscar Isaac, Ethan Hawke, and Gaspard Ulliel, the French actor who died in a skiing accident last week after the first season of the series was completed. Slater is also working on a script for Screen Gems' Thread, which will be directed by James Wan and produced by Atomic Monster. Uprising, a Netflix/21 Laps film directed by Travis Knight and adapted from Stephen King's The Tommyknockers for Universal and James Wan, is one of his most recent screenplay credits. He also created and co-showrunner The Exorcist on Fox and developed The Umbrella Academy for Netflix/UCP/Dark Horse.
Mortal Kombat, based on the video game sensation created by Ed Boon and John Tobias, was released in cinemas and on HBO Max at the same time during the pandemic in April 2021, debuting at No. 1 at the box office and ranked among the top feature films on HBO Max since its premiere. Simon McQuoid directed the picture, which he co-produced with Todd Garner, E. Bennett Walsh, and Wan. An MMA fighter sought for Earth's finest champions in order to stand against Outworld's foes in last year's action-packed film. It was a war for the universe's survival.