Marvel fans are buzzing again as speculation grows around an early drop of the highly awaited Avengers: Doomsday trailer.
Many believed the first teaser would arrive on December 19 with the release of Avatar: Fire and Ash.
But new online activity has triggered excitement that the trailer might actually land this Sunday, December 7.
Avengers: Doomsday Trailer :- Sunday Pattern Leaves Fans Curious
What set these rumors in motion is a curious pattern spotted on social media.
The official Fantastic Four account has been sharing the same short clip every Sunday at exactly 7 pm ET.
— Fantastic Four (@FantasticFour) December 1, 2025
Since the film featured in the clip is no longer in theatres, fans believe these posts could be a coded build up to something bigger connected to Avengers: Doomsday.
The timing and consistency are too specific to ignore.
Many viewers think Marvel might be laying groundwork for a surprise reveal, especially since major trailer drops often arrive with little advance notice.
Doctor Doom Link Adds More Heat
The theory gained momentum because the clip in question comes from a film with a post credits scene involving Doctor Doom and a core Fantastic Four character.
This connection lines up perfectly with fan expectations, as Doctor Doom is widely rumored to play a major part in Avengers: Doomsday.
With so many story threads pointing toward him, viewers now believe Marvel could use this Sunday post pattern to set up an explosive teaser reveal.
Marvel Keeps Quiet
For now, Marvel Studios has given no official confirmation.
Some industry insiders continue to claim the trailer will premiere alongside Avatar: Fire and Ash.
Until the studio speaks, fans are glued to their feeds waiting to see whether this Sunday brings a surprise or just another teaser hint.
Either way, excitement around Avengers: Doomsday is rising fast.
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