"28 Years Later is the highly anticipated sequel to 28 Weeks Later, set to release in theaters on June 20. The film stars Aaron Taylor-Johnson, Jodie Comer, and Ralph Fiennes in a zombie horror movie that takes a major chronological leap forward in the franchise. Fans will be intrigued by how the post-credits scene of 28 Weeks Later ties into the upcoming film, as director Danny Boyle hints at unexpected twists. Stay tuned for more updates and discussions on this exciting new addition to the franchise."
Source: https://movieweb.com/28-years-later-danny-boyle-lore-post-credits/