Disney+ has updated its "Countdown to Avengers: Doomsday" page, as the upcoming MCU event movie is just a month away from its release. For those who don't know, this page on Disney+ lists out all the Marvel movies (including the non-MCU ones) you need to watch before the next Avengers movie, which is the first chapter in the conclusion of Marvel's Multiverse Saga.Now, the new addition to this list is VisionQuest, which streamed its finale on Disney+ this Tuesday. While most of the series is largely self-contained, it is the post-credit scene that ties the MCU series into Avengers: Doomsday.Fans react to making VisionQuest an essential viewing for Avengers: DoomsdayMarvel Updates @marvel_updat3sLINK‘VISIONQUEST’ is essential viewing for ‘AVENGERS: DOOMSDAY’The show has been added to the ‘Countdown to Avengers: Doomsday’ lineup on Disney+.Fans are not surprised to see that VisionQuest has been made essential viewing. The post-credit scene of the finale was just one giant setup for Avengers: Doomsday. It hints at Wanda's return in the movie, and Marvel confirmed the Scarlet Witch's role in the movie. Therefore, VisionQuest's inclusion in the essential-viewing list is not that surprising.One fan posted an image of the 2023 movie The Marvels and expressed hope that the movie is also included in the list. The 2023 movie has not been added to the list, but the post-credit scene did feature the return of Kelsey Grammer's Beast. Therefore, The Marvels could tie into the upcoming Avengers movie, but the studio might want to keep it a secret for now.Is The Marvels an essential viewing? | Image Via: X/x.comAnother fan pointed out that VisionQuest alone shouldn't be included in the list. The solo Vision series was marketed as a part of the WandaVision trilogy. WandaVision also directly flowed into Agatha All Along. Therefore, WandaVision and Agatha All Along should be made essential viewing for Doomsday too."So WandaVision and Agatha All Along are also essential, it's a trilogy, if you do not watch one, you won't understand anything"Not all fans were happy, though; one fan claimed that Disney "lied" to the fans a few years ago, when they said that VisionQuest was mostly a standalone show.Lie? | Image Via: X/x.comTherefore, it seems that another MCU project has been deemed essential viewing before the next Avengers movie. More surprisingly, it is just one scene in the entire series that makes VisionQuest essential viewing.Which projects are essential for the next Avengers movie? View this post on Instagram Instagram PostHere are all the Marvel projects that you need to watch before the MCU epic next month, according to the official guideline:X-MenX2: X-Men UnitedCaptain America: The First AvengerThe AvengersAvengers: Infinity WarAvengers Endgame: EncoreLoki Seasons 1 and 2Shang-Chi and The Legend of The Ten RingsSpider‑Man: No Way HomeBlack Panther: Wakanda ForeverCaptain America: Brave New WorldDeadpool & WolverineDoctor Strange in the Multiverse of MadnessThunderbolts*/The New AvengersThe Fantastic Four: First StepsNow, you can add a sixteenth project to this list, VisionQuest. The next Avengers movie is going to involve heroes from three different universes trying to survive an incursion. As they try to solve the problem of incursion, the heroes also have to contend with the threat of Doom. The official logline of the movie reads:"'Avengers: Doomsday' follows beloved heroes from three distinct universes as they’re set on a deadly collision course and face an existential threat unlike anything they’ve ever encountered."The upcoming Avengers movie will release in theaters across the US on December 18, 2026. Advance booking is possible. So, book your tickets online if you don't want to be spoiled.