Omar comin’…to the Assassin’s Creed movie. Earlier today we reported on Michael K. Williams’ casting in Paul Feig’s Ghostbusters, but the actor has also lined up another role in a big franchise film. Williams has joined the cast of the upcoming Assassin’s Creed movie from director Justin Kurzel.

Per Variety, Williams has joined Michael Fassbender, Marion Cotillard and Ariane Labed in Assassin’s Creed, the big screen adaptation of the beloved Ubisoft game. While plot and character details remain under wraps, the game centers on Desmond Miles, a man who is captured by a shadowy group and sent back in time over and over again to retrieve historical artifacts while operating in the body of his assassin ancestors.

Production on the project begins this September as 20th Century Fox and New Regency target a December 21, 2016 release date, pitting the film against Star Wars: Rogue One.

Williams also joined the cast of Paul Feig’s Ghostbusters today, and appears in Will Ferrell’s satirical IFC miniseries event The Spoils Before Dying. Although we don’t know much about Assassin’s Creed, it is being reported that Williams plays a key role, one that would appear in sequels should the franchise really take off.

Assassin’s Creed was written by Bill Collage and Adam Cooper (Exodus: Gods and Kings), with Michael Lesslie providing the most recent draft. Lesslie previously penned the screenplay for director Justin Kurzel’s Macbeth, which also stars Fassbender and Cotillard.