After Marvel Studios delayed Avengers: Doomsday and Avengers: Secret Wars to December 18, 2026 and December 17, 2027 respectively, MCU fans began speculating about the untitled Marvel project originally scheduled for July 23, 2027.
Assuming Marvel maintains this release date, it will now become the sole MCU film between Avengers: Doomsday and Avengers: Secret Wars, with Spider-Man: Brand New Day moving up to July 31, 2026.
Fan theories about the mystery project have exploded. "Doctor Strange 3 seems the most probable option," one fan commented on a recent r/MarvelStudiosSpoilers Reddit thread. "Though there's a slim chance it could introduce the MCU's X-Men, depending on how the Fox versions factor into Doomsday."
Many supporters are pushing for Benedict Cumberbatch's return. "Most likely Doctor Strange 3 in my opinion. (Though I'd prefer Shang-Chi 2 personally)," one Twitter user posted, while another speculated: "Would love if Doctor Strange III adapted World War Hulk." An intriguing concept, though perhaps unlikely.
"Doctor Strange 3 makes the most sense as the bridge between Doomsday and Secret Wars. Blade is definitely getting postponed until after Secret Wars," another Redditor argued - prompting a passionate rebuttal: "Black Panther 3 should be frontrunner since Marvel and Coogler have publicly discussed it," they responded, referencing Ryan Coogler's potential return. "It should be his next project."Several fans felt Wakanda deserved more consideration, especially after the success of Wakanda Forever. "Strange everyone's debating DS3 when there's been zero official announcements," a Reddit user noted. "Meanwhile Black Panther 3 is languishing in development."
Some supporters made compelling cases for T'Challa's legacy continuing sooner rather than later. "It's further along in development than other contenders," argued one commenter. "My money's on Black Panther 3, with Doctor Strange 3 as dark horse." Another added: "Black Panther 3 seems plausible for 2027. Nate Moore mentioned producing it before leaving Marvel, and Denzel Washington casually revealed they'd written him a role."
However, others noted potential scheduling conflicts. "Moore has technically already departed Marvel Studios - he's literally competing on Survivor now," a fan pointed out. "He said he'd return to produce BP3, not that he'd remain until release."
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Some hopeful fans still believe in Mahershala Ali's long-delayed vampire hunter project. "I suspect Blade was filmed in secret," one theorist posted, while another joked: "Could this finally be Blade's moment? Hah."
Yet a more pragmatic observer countered: "Whatever lands in this slot should directly connect to the Avengers saga. Blade wouldn't - and shouldn't - serve that purpose."
"I'd love Blade but let's be realistic" another social media user conceded before suggesting: "Maybe a Young Avengers/Champions movie (probably a Disney+ series, but we can dream)." One creative Redditor proposed: "Why not a Midnight Sons crossover featuring Blade and introducing Ghost Rider on Battleworld?"
Several commenters predict Sony might claim the slot. "Sony will probably take it for Spider-Man: Brand New Day" one Twitter user predicted, while another simply stated: "Spider-Man's moving there. Problem solved."
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