Marvel Studios continues to keep details about Avengers: Doomsday (2026) tightly under wraps, but recent reports have revealed a surprising development involving Benedict Cumberbatch Doctor Strange in the film. Robert Downey Jr. is confirmed as the villain Doctor Doom, marking his return to the Marvel Cinematic Universe after seven years since Avengers: Endgame (2019), where his character Tony Stark sacrificed himself to defeat Thanos.
Set against the multiverse backdrop, speculation has arisen about various iconic Marvel actors reprising alternate versions of beloved characters. Among these rumors is that Benedict Cumberbatch will portray a variant of Doctor Strange, allied with Doctor Doom, which adds a new dimension to the already complex storyline.
Benedict Cumberbatch’s New Character Connection to Doctor Doom
Industry insider Daniel Richtman shared that Doctor Doom will be accompanied by a wizard assistant in Avengers: Doomsday, who, like Cumberbatch’s Doctor Strange, utilizes a Sling Ring for interdimensional travel. This aligns with a prior report by scooper MyTimeToShineHello, which indicated that Cumberbatch would be playing Doctor Doom’s sorcerer sidekick.
Doctor Doom reportedly has a wizard as his second-in-command in ‘AVENGERS: DOOMSDAY’. The wizard is also said to use a Sling Ring. (Source: @DanielRPK) pic.twitter.com/qzERab2DFZ
Fans familiar with Doctor Strange in the Multiverse of Madness (2022) will recall that Cumberbatch has previously explored the multiverse by portraying three different versions of Stephen Strange, including the corrupted Darkhold variant and Earth-838’s former Sorcerer Supreme. However, this new role may introduce yet another variant, though it remains uncertain where this version originates or how he becomes allied with Doctor Doom.

Clarifying Benedict Cumberbatch’s Role Amid Conflicting Statements
While Benedict Cumberbatch has previously denied appearing in Avengers: Doomsday, he confirmed that Doctor Strange will feature prominently in the upcoming Avengers: Secret Wars. He explained to Variety that Strange’s apparent absence in Doomsday resulted from major script rewrites following Jonathan Majors’ departure as Kang, which caused the character’s storyline to no longer align with that part of the story.
not [align] with this part of the story.
Although the actor’s remarks seem to exclude the traditional Doctor Strange from Doomsday, this would still fit if a variant of Doctor Strange appears instead. Moreover, Cumberbatch emphasized that Doctor Strange is
“quite central to where things might go,”
indicating a significant role in Secret Wars that could link to events in Doomsday.
He’s quite central to where things might go,
Cumberbatch told Variety.
The possibility remains that the wizard accompanying Doctor Doom might not be an alternate version of Doctor Strange but rather a new character, with Cumberbatch maintaining secrecy about the true nature of his role.
Thematic Links to Previous Marvel Storylines and Characters
The concept of Doctor Strange working alongside Doctor Doom is not without precedent. In the 2015 Secret Wars comic storyline, Strange served as Battleworld’s sheriff under Doom’s rule, helping to manage the remnants of a shattered multiverse by uncovering the nature of Incursions—colliding universes threatening destruction. This dynamic fits well with the MCU’s depiction following Doctor Strange in the Multiverse of Madness, where Strange is the sole hero to witness an Incursion firsthand on Sinister Strange’s Earth.
The recent film also introduced Clea, portrayed by Charlize Theron, who recruits Doctor Strange to fix an Incursion he caused. With Clea reportedly returning in Avengers: Doomsday, speculation suggests she might act on Doom’s behalf to draw Strange’s variant into their plans. This interconnection hints at intricate alliances and power struggles shaping the multiverse’s future.
What This Means for the Marvel Cinematic Universe Going Forward
The involvement of Benedict Cumberbatch as a Doctor Strange variant working alongside Robert Downey Jr.’s Doctor Doom could significantly impact the MCU’s multiverse saga. Their alliance may reveal new facets of the Mystic Arts and expose further complexity within the multiverse’s collapsing realities.
As Avengers: Doomsday continues through its production phase, likely undergoing major reshoots, fans and analysts anticipate how these character dynamics will unfold on screen. Additionally, improvements in CGI effects are expected, possibly addressing prior critiques such as those about Doctor Strange’s portrayal in previous films.
Ultimately, this casting revelation adds excitement and mystery to Marvel’s long-term storytelling, bridging past characters with new narratives in a saga centered around multiverse chaos and powerful adversaries.
Doctor Doom reportedly has a wizard as his second-in-command in ‘AVENGERS: DOOMSDAY’.
The wizard is also said to use a Sling Ring.
(Source: @DanielRPK) pic.twitter.com/qzERab2DFZ
— MCU Film News (@MCUFilmNews) February 25, 2026
Doctor Doom reportedly has a wizard as his second-in-command in ‘AVENGERS: DOOMSDAY’.
The wizard is also said to use a Sling Ring.
(Source: @DanielRPK) pic.twitter.com/qzERab2DFZ
— MCU Film News (@MCUFilmNews) February 25, 2026
Updated list of all the actors/characters appearing in Avengers Doomsday (pre-reshoots):
Robert Downey Jr. – Doctor Doom
Chris Evans – Steve Rogers
Chris Hemsworth – Thor
Anthony Mackie – Sam Wilson / Captain America
Sebastian Stan – Bucky Barnes / Winter Soldier
Paul Rudd -… pic.twitter.com/ukNufSXiir— MyTimeToShineHello (@MyTimeToShineH) January 28, 2026
