Henry Cavill is well known for his passion for Warhammer 40K, publicly sharing his interest on interviews and social media posts, and even collecting and painting miniatures in his free time, especially during the pandemic.

Exactly two years after Amazon MGM Studios acquired global rights to the Warhammer 40,000 game from Games Workshop for Henry Cavill to star in and executive produce a cinematic universe, there has been movement on the project.

Games Workshop said it agreed on the creative guidelines and granted exclusive rights to the subsidiary of Amazon.com related to films and television series set within the Warhammer 40,000 universe.

Amazon and Games Workshop announced a deal for Prime Video to make a franchise out of the game maker's "Warhammer 40,000" universe.

"Together, we've been sifting through the plethora of incredible characters and poring over old tomes and texts."

The deal between Amazon Prime's Warhammer 40K show and Henry Cavill began in 2022 when Cavill announced his attachment to the project. A year later, Amazon, Games Workshop, and Cavill finally solidified a deal. Now, development is beginning to ramp up, though it's unclear what "Project One" is.

Games Workshop and Amazon have finalized their deal for Henry Cavill's Warhammer 40,000 Cinematic Universe. In December 2023, Games Workshop said it would work with Amazon for a period of 12 months ending December 2024 “to agree creative guidelines for the films and television series to be developed by Amazon,