Disney+ Names 15 Essential Titles to Watch Before Avengers: Doomsday

Disney+ has turned the countdown into a 15-title roadmap

Disney+ launched a Countdown to Avengers: Doomsday collection on August 15 containing 15 films and series: X-Men, X2, Captain America: The First Avenger, The Avengers, Avengers: Infinity War, Avengers: Endgame, both seasons of Loki, Shang-Chi and the Legend of the Ten Rings, Spider-Man: No Way Home, Doctor Strange in the Multiverse of Madness, Black Panther: Wakanda Forever, Deadpool & Wolverine, Captain America: Brave New World, Thunderbolts* and The Fantastic Four: First Steps. The selection is not a complete MCU marathon. It is better read as Disney's concise guide to the characters, universes and rules most likely to matter in December.

The list follows four clear Avengers: Doomsday story lanes

The first lane is legacy: The First Avenger, The Avengers, Infinity War and Endgame establish Steve Rogers, Thor and the emotional cost of the previous Avengers finale. The second is the current Earth team, with Shang-Chi, Wakanda Forever, Brave New World and Thunderbolts* introducing heroes who must now share the battlefield. The third is multiversal mechanics through Loki, No Way Home, Multiverse of Madness and Deadpool & Wolverine. The final lane belongs to the outsiders: the first two Fox X-Men films and First Steps prepare the mutant veterans and the Fantastic Four's Earth-828 for the collision described in Doomsday's official material.

X-Men and X2 are the most revealing inclusions

Choosing the 2000 X-Men and 2003's X2, rather than a broad sampler of every Fox mutant movie, points viewers toward the earliest version of the team featuring Patrick Stewart, Ian McKellen, James Marsden, Rebecca Romijn and Alan Cumming. Those are precisely the legacy performers Marvel has associated with Doomsday. The list does not prove that every event in those films remains unchanged in the reality the Avengers visit. It does show that Disney believes the relationships among Xavier, Magneto, Cyclops, Mystique and Nightcrawler are useful preparation. That makes these two older films narrative homework, not merely a nostalgic addition to the platform.

Captain Marvel and The Marvels are the strangest omissions

The absence drawing the most attention is The Marvels. Its ending placed Monica Rambeau in another reality opposite a version of Beast, making it one of the MCU's clearest direct mutant cliffhangers. Captain Marvel is also missing, despite Carol Danvers being a major Avenger and fan analysis of Doom's displayed costume reviving questions about her possible importance. Omissions are not proof of absence from Doomsday: Disney+ collections are marketing tools, rights and regional availability can shape them, and Marvel may avoid titles that reveal surprises. Still, the decision suggests that Monica's unresolved scene may not be required to understand the movie's opening situation.

How to use the list without watching 42 hours at once

Viewers short on time can preserve the roadmap by choosing one title from each lane: Endgame for the emotional baseline, Thunderbolts* for the newest Avengers team, Loki for incursions and branching realities, X2 for the legacy mutants and First Steps for Earth-828. No official watchlist can confirm plot points before release, but this one does clarify Marvel's priorities. As the December 18 countdown continues, additions or reordering inside the Disney+ collection will be worth monitoring: a newly inserted title could be the platform's quietest way of signaling which unresolved MCU thread is about to become important.

For a fuller but still efficient schedule, the 15 entries can be spread across the remaining countdown rather than watched in release order. Pairing X-Men with X2 preserves their character arc; Infinity War with Endgame preserves the Avengers finale; and the two Loki seasons should remain together because the second redefines the first season's multiverse problem. The remaining recent films then work as introductions to separate teams. This grouping is more useful than chasing chronology across three realities, and it avoids implying that Disney's non-chronological display order is itself a hidden plot clue. It also makes the omissions easier to evaluate. A viewer who finishes the official path can add The Marvels for Monica's mutant cliffhanger, then decide whether other absent stories answer a personal question rather than treating every MCU release as mandatory. That distinction keeps the guide practical for casual audiences while leaving room for completists to expand it.