- Primary Subject: Avengers: Doomsday
- Key Update: Robert Downey Jr. shared festive artwork featuring hero-themed Easter eggs, potentially confirming the full roster of teams and heroes set to face his villainous debut.
- Status: Teased Specific Hero Roster
- Last Verified: April 7, 2026
- Quick Answer: Robert Downey Jr. teased a massive ensemble for Avengers: Doomsday, including the Fantastic Four, X-Men, Spider-Man, Doctor Strange, Loki, and the Thunderbolts joining forces.
Robert Downey Jr. dropped a major tease when he posted a Doctor Doom artwork on Instagram, featuring a basket full of eggs to celebrate Easter Sunday.
While it may seem like just a festive post, each egg bears the logo of a Marvel hero, hinting at a possible major MCU twist. So, what does this cryptic post really mean?
What Does Robert Downey Jr.’s Post Mean for Avengers: Doomsday?
Robert Downey Jr. simply captioned his Doctor Doom post with a pair of intriguing eyes, hinting that there may be a deeper meaning behind it.
The artwork shows the iconic villain looming over a woven Easter basket filled with eggs, each bearing the symbol of a different MCU hero. By the looks of it, each egg represents a team that will face Doctor Doom in the upcoming Avengers: Doomsday.
These heroes and groups may join forces, setting the stage for a massive, all-out battle that fans are about to witness. So, which MCU heroes do those eggs represent?
Which MCU Heroes Could Face Off Against Doctor Doom in Avengers: Doomsday?
Sure, Marvel Studios has already confirmed the number of MCU heroes appearing in Avengers: Doomsday, but it may not be the full roster. However, Robert Downey Jr.’s post appears to reveal all of them.
- The Fantastic Four
Of course, as Doctor Doom’s number one enemy, the Fantastic Four may take the lead in the fight against him in Avengers: Doomsday.
The team could travel to Earth-616 to confront Doctor Doom and form an alliance with Wakanda to bring this epic battle to an end.
- The X-Men
The post also features an X-Men egg, the most exciting wildcard in the entire basket. The mutants’ role in Avengers: Doomsday remains a mystery, though some theories suggest they may come from the same universe glimpsed at the end of The Marvels.
While it’s still unclear how they will join the fight against Doctor Doom, there’s no denying that they are among the strongest members of the group.
- Spider-Man
Spider-Man will also appear in Avengers: Doomsday, and the upcoming Spider-Man: Brand New Day may feature a post-credits scene connected to the film.
However, it’s still unclear which Spider-Man will show up, as some reports suggest it could be Tobey Maguire’s Peter Parker–potentially marking a major return that could pave the way for his fourth Spider-Man movie.
- Captain America
There may be two Captain Americas in Avengers: Doomsday, with Chris Evans returning to the MCU after his exit in Avengers: Endgame and Anthony Mackie reprising his role as the new Captain America.
However, Evans may appear only as Steve Rogers, as seen in the trailer. This means Sam Wilson could lead the new Avengers in the fight against Doctor Doom.
- Loki
Loki will also appear in Avengers: Doomsday, though it’s unclear how, given that he sacrificed himself to hold the multiverse together at the end of his Disney+ series.
Having taken a place at the end of time and space, Loki has become the backbone of all existence.So for him to join the fight against Doctor Doom, something catastrophic may need to occur or someone could take his place, potentially setting up a Loki Season 3.
- Thor
Thor also has his own Avengers: Doomsday trailer, teasing his major role in the film after his adoptive daughter, Love, is abducted.
As one of the strongest heroes in the MCU, he will be a key asset in the fight against Doctor Doom. However, it appears he will face this journey alone in the movie.
- Shang-Chi and Ant-Man
With the appearance of Shang-Chi’s symbol in Robert Downey Jr.’s Easter post, he may be part of Sam Wilson’s new Avengers team, as hinted by the post-credits scene of his solo movie.
An egg featuring images of ants also appears, teasing Ant-Man’s arrival.
- Black Panther
While an Easter egg of Black Panther appears, it may hint at the entire Wakanda team. The Avengers: Doomsday trailer has already revealed Shuri, teasing a bigger role for Black Panther’s sister.
M’Baku, the new King of Wakanda, will also join the fight, alongside Namor, teaming up with the Fantastic Four to take down Doctor Doom.
- Doctor Strange
Marvel Studios has yet to confirm Benedict Cumberbatch’s appearance in Avengers: Doomsday, but Robert Downey Jr.’s post features the Doctor Strange logo.
Given his pivotal role in the multiverse, it seems unlikely that Strange won’t appear. He and Clea stepped through a portal into the multiverse at the end of Doctor Strange in the Multiverse of Madness on a mission to stop and repair incursions tearing reality apart.
- The Thunderbolts
Finally, the Thunderbolts are set to return in Avengers: Doomsday, as teased by their movie’s post-credits scene.
In fact, that final sequence seems to act as a prologue to the film, aligning the group with the Fantastic Four and the Wakandans in the fight against Doctor Doom.
Avengers: Doomsday is scheduled to hit theaters on December 18, 2026.
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