While the recently released Avengers: Doomsday teasers (if you want to call them that) may seem like a peek at what’s to come in the future, a new fan theory suggests that we may have it all wrong. According to a user on Reddit (via r/MarvelTheories), the mysterious codes that we see towards the end of these trailers point to them connecting to events that have happened in a now-extinct universe.

I think I cracked the Doomsday timestamps — they’re multiversal black‑box logs from Earth‑1E by
u/Easy-Ideal6801 in
MarvelTheories

According to the user, every single code is a reference to a comic issue where these characters were featured in the collective Marvel 1E Universe, which was completely collapsed under Doctor Doom’s schemes.

And thus, these trailers don’t show a future, but connect the story of these characters from a now non-existent reality through them, where Robert Downey Jr.’s Doom is coming for the MCU Next.

The Russos Were Signalling This Doomsday Fan Theory All Along

A still from the trailer of Avengers: Doomsday | Credits: Marvel Studios and Disney

With the trailers for the upcoming film now fully out, the hype surrounding Doomsday has completely taken over social media and pop culture. But still, according to the Russos, there is almost no one who has truly managed to understand what these trailers mean, despite numerous fan theories.

This was claimed to be the case by the director duo themselves through their recent social media post (via IG @therussobrothers), who wrote it as a caption while sharing the most recent Doomsday trailer.

View this post on Instagram A post shared by The Russo Brothers (@therussobrothers)

And so far, this theory has made the most sense, considering the fact that these events have not been seen in the MCU yet, on top of the fact that the original X-Men team was never part of the current franchise roster. Therefore, while this theory may not be right, it has come the closest to deciphering the secret behind these cryptic messages at the end of the

The Avengers: Doomsday Trailers Are Marketing Done Right

Since the beginning of Phase 5 of the MCU, there has been a sort of lull in the hype surrounding the MCU as a whole, with Marvel witnessing some of its worst-performing projects in the last couple of years. This led to a decline in popularity and interest in the franchise from the fandom.

But out of nowhere, the Russos not only managed to generate hype and talk around the upcoming film, but give the fandom something to sink their teeth into until the release of Doomsday this year. This has brought in OG fans of the franchise back into the fold, while also generating interest within the casual fandom even more.

This can, in turn, lead to the upcoming film becoming one of the biggest cinematic experiences in history.

Here’s more information on Avengers: Doomsday at a glance.

MovieAvengers: DoomsdayDirectorJoe and Anthony RussoMajor CastRobert Downey Jr., Chris Evans, Chris Hemsworth, Anthony MackieScheduled Release DateDecember 18, 2026

What are your thoughts on the trailers that have been released thus far? Tell us in the comments below.
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