Marvel has turned Avengers: Doomsday into one of the most anticipated cinematic events on the horizon, with every casting announcement and unexpected superhero alliance giving fans another reason to speculate. From familiar faces returning to the MCU to characters from different corners of the franchise sharing the same battlefield, the film is bringing together worlds that once seemed unlikely to collide.

Now, the latest tease is taking an unexpected detour through America’s favorite pastime, with a fresh look at the blockbuster arriving during the World Series.

Marvel fans will not have to wait much longer to get another glimpse of Avengers: Doomsday. The new preview is scheduled to debut during Game 1 of Major League Baseball’s World Series on Friday, October 23, at 8 p.m. ET on FOX. An exact time for the reveal has not been announced, leaving viewers to keep an eye on the broadcast for the moment Marvel steps up to the plate.

The MLB has also promoted the upcoming reveal on its official social media channels, bringing the superhero spectacle into the baseball conversation. Although speculation suggests the footage could be an extended scene rather than a conventional trailer, Marvel has yet to confirm its format.

The leading theory points toward a baseball sequence featuring Ben Grimm, also known as the Thing, the Human Torch, and Steve Rogers. Rumors surrounding the film’s production suggest the characters attend a game before Doctor Doom’s arrival at the Baxter Building sends the Fantastic Four members rushing to confront Victor, while Steve watches from a distance with his son.

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Whether the new footage confirms these details remains to be seen, but the promotional clues have given fans plenty to dissect before the first pitch.

A baseball game might offer a rare glimpse of the MCU’s heroes outside a battle, but the larger story surrounding Avengers: Doomsday could be considerably darker. With Avengers: Secret Wars set to continue the saga, fans have already begun debating how the upcoming film might leave its characters and the multiverse.

One theory suggests Scott Lang might sacrifice himself to save other heroes, while another fears Loki could die again. The God of Mischief has endured several apparent deaths across the MCU, and his role in holding the multiverse together makes him an important obstacle for Doctor Doom. Neither outcome is confirmed, but both show how vulnerable even established characters can be when the stakes reach this scale.

The most consequential theory suggests that Doctor Doom could win, leaving the multiverse shattered or reshaped and setting the stage for Battleworld in Secret Wars. Such an ending would echo Avengers: Infinity War, which famously let Thanos triumph before Endgame showed the aftermath. 

With a new preview arriving during the World Series, Marvel has another opportunity to offer clues without revealing the full picture of this on-going saga.

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 What do you think the footage will show, and which Avengers: Doomsday ending theory worries you most? Share your thoughts in the comments.