A Resetera poster who claims to be an industry insider says that the gameplay trailer of now cancelled Perfect Dark showcased in 2024 was a fake trailer with no real gameplay footage, that practically nothing about the game was anywhere near finished and that it is no surprise at all it got shut down.

https://www.youtube.com/watch?v=ofUi9DR9sc4
https://www.resetera.com/threads/perfect-dark-gameplay-at-microsofts-2024-showcase-was-reportedly-faked.1234752/