With the conclusion of Loki Season 2, the Marvel Cinematic Universe has set the ball rolling on its next major event: Secret Wars. During Loki's conversation with He Who Remains in the season finale, the latter teased a possible war in the future between different realities. The idea of warring universes falls right in line with the plot of Marvel's Secret Wars, which will soon be adapted as an Avengers film.
Source：https://www.cbr.com/doctor-doom-rumor-replace-kang-mcu-secret-wars/
