Where is Doctor Strange taking us in "The Multiverse of Madness"? That's the big question after the post-credits scene of Wander Vision episode 9, which hinted greatly at what could happen to Ms. Maximoff and the Sorcerer Supreme.

The Doctor Strange sequel may be a bit far off, but it's a crazy big deal for the Marvel Cinematic Universe. I want you to look at the title."

It's called "Multiverse," and it screams out to us what surprises await us.

And we can't wait to see how "Doctor Strange: The Madness Multiverse" will change the current MCU.

"Doctor Strange 2" is scheduled for release on March 25, 2022.

"Black Widow" (May 7, 2021), "Shan Chi and the Legend of the Ten Rings" (July 9, 2021), "Eternals" (November 5, 2021), and "Spider-Man: No Way Home" (December 17, 2021). Of these, we have only heard that "Spider-Man 3" will be intertwined with "Doctor Strange" in "The Multiverse of Madness".

Of course, all of these dates are subject to change due to the Covid-19 pandemic. Nevertheless, these dates may stick, as Texas has reopened and New York theaters are beginning to reopen with limited capacity.

As for the basic cast, Cumberbatch, Benedict Wong, Rachel McAdams, and Chiwetel Ejiofor are confirmed to reprise their roles in Doctor Strange.

Things got even more interesting at the December 2020 Investor's Day event. There, Marvel Studios president Kevin Feige announced that "Doctor Strange: The Madness Multiverse" will be linked to two other Marvel projects, giving us a pretty big clue as to who will be in the film.

This means that Elizabeth Olsen (as Wanda Maximoff/Scarlet Witch) will be in the film, and it would not be surprising to see Tom Holland (as Peter Parker/Spider-Man). Olsen has been confirmed by Marvel, but Holland has not.

Here's the known cast:

There is no trailer for "Doctor Strange 2". In This Universe or Any Other Multiverse. Since the release date is more than a year away, it is unlikely that a trailer will materialize anytime soon.

The official but leaked plot synopsis (according to Backstage) is "After the events of Avengers: Endgame, Dr. Stephen Strange continues his research on the Time Stone. But an old friend-turned-enemy puts an end to his plans, and Strange unleashes an unspeakable evil."

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That old friend is probably Mordo (Chiwetel Eijofor). In the post-credits scene of "Doctor Strange," we saw Mordo paralyze Jonathan Pangborn (Benjamin Bratt) again. Mordo accused him of trying to steal their powers and said there were too many sorcerers in the world.

Nevertheless, this may be just a red herring to set up the real villain, whom fans have deduced to be Mephisto. Fans believe that Mephisto, the Marvel world's version of the devil, will appear in Wander Vision and are currently searching for clues. They mainly point to a possible Easter egg in Wanda Vision episode 9, in which the "M&B" logo appears on a sign behind Agatha Harkness; M&B could represent Mephisto and Blackheart, the latter being the devil's son himself.

And there is the possibility of madness in how Doctor Strange in "The Madness Multiverse" plays with the concept of the multiverse. Rumor has it that Spider-Man: No Way Home will feature cameos by previous Spider-Men (Tobey Maguire and Andrew Garfield), so basically all bets are off on the storyline of this sequel. Tony Stark and Steve Rogers may also make an appearance.

Also, to spoil the end of "Wanda Vision," Wanda seemed to be trying to find her children and was using the dark hold to find Billy and Tommy, whose voices were heard in the final scene.