Marvel highlights key films and relics ahead of Doomsday

Marvel has identified several key films and series to help audiences prepare for the upcoming Doomsday release. Recommended viewing includes the original X-Men films to establish the mutant franchise, Captain America: The First Avenger for character origins, and The Avengers to understand the team's initial formation.

Crucial entries for understanding the broader narrative stakes include Avengers: Infinity War and Avengers: Endgame, which detail the Infinity Saga and its permanent impact on the cinematic universe. Additionally, powerful comic book relics, such as the Casket of Ancient Winters, are noted as potential elements that could drive future sagas within the franchise.