Doctor Strange: Into the Multiverse of Madness will introduce new characters to the MCU. However, it will also represent the return of several and, apparently, more than you imagined.
Phase 4 of Marvel Cinematic Universe it is already open and not only her, but also the whole multiverse. In fact, in many media, including this, the idea of naming the scheme as the Marve’s Cinematic Multiversel (MCM), because reality will never be what it seems in future projects. One of them, Doctor Strange: Into the Multiverse of Madness, will introduce this topic further.
However, the film will use previous productions to break down this concept more and more. As you know, Stephen Strange will be in Spider-Man: No Way Home, where the universe will unfold, interacting with others and changing everything.
In the same way, Loki and Wandavision showed, respectively, that the temporal and spatial lines tend to derive in more and more alternate worlds. A) Yes, What If…? has shown what would happen if some of these situations took place in a probable scenario.
With all this idea on top, the Supreme Sorcerer will have to go to beings equally powerful or wise to help him. The scarlet witch will play an important role in all of this. Like her, reports have confirmed the presence of the Professor Charles Xavier in the sequel, who would occasionally introduce the X Men.
A few collaborative variants
On the other hand, it is expected that Loki can be part of the team-up that will present the film. So far, everything seems predictable, what was not had in the accounts is that other characters from the series of the god of deception will also appear.
The Cosmic Circus, a blog that usually has information in advance of the superhero film industry, states that Sophia di martino will return in his role as Sylvie. If so, it would not be necessary to wait until the second season of the show to know the fate of the variant.
At the same time, Owen Wilson, loved by many for its peculiar arrival in Marvel, I would be like once again Mobius.
The theory of seeing them in the project was strengthened when IMDB named his stuntmen as stuntmen and cast members from Doctor Strange 2.
All this will be confirmed on March 25, 2022, the date that is scheduled for the premiere in question.