The latest Doctor Strange in the Multiverse of Madness trailer supports the best theory for how Scarlet Witch's kids return. When Marvel Studios announced its Phase 4 slate, it was confirmed that the Doctor Strange sequel starring Benedict Cumberbatch would heavily tie into WandaVision, the Disney+ show starring Elizabeth Olsen's Wanda Maximoff. It wasn't until early 2021 that viewers got to see the series and learn how it could connect to Doctor Strange 2. Marvel Studios used the show to push the Scarlet Witch's story toward the multiverse after she altered reality to create her own family, only for it all to be ripped away from her in the end.

WandaVision's post-credits scene teased exactly what this could mean for Doctor Strange in the Multiverse of Madness, as Scarlet Witch heard her kids - Billy and Tommy Maximoff - calling for her to save them. While early marketing for the Marvel Cinematic Universe Phase 4 film didn't feature any direct connections to this storyline, a new trailer changes that. A version of Wanda is shown interacting with Billy and Tommy in their Westview home from the Disney+ show. The scene is a brand new interaction between mother and sons, and it the trailer seems to support a popular theory about how Scarlet Witch's kids return in Doctor Strange 2.

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In the latest Doctor Strange 2 trailer, dialogue from Doctor Strange and Scarlet Witch overlaps as they say the same phrase from an earlier trailer: "I've been dreaming, the same dream, and every morning, the same nightmare." The line plays as Wanda is reunited with Billy and Tommy, indicating that this is the dream/nightmare that she keeps reliving. Scarlet Witch dreaming about being with her kids again only to wake up to the realization that they are not there is the nightmare. This moment plays into Scarlet Witch's tragic MCU story, but it also continues the mention of "nightmare" in Doctor Strange in the Multiverse of Madness' marketing. Thanks to this latest mention, the theory that the Marvel villain known as Nightmare currently has Scarlet Witch's twins could be accurate after all.

Scarlet Witch talks to her sons Billy and Tommy in Doctor Strange 2

Nightmare has been tied to Billy and Tommy's location ever since WandaVision's finale aired. Nightmare is the ruler of a realm known as the Dream Dimension, where human dreams manifest and live under his eye. Now that Marvel has confirmed that Scarlet Witch is dreaming about her children, it would make sense for them to exist in the Dream Dimension. Nightmare even could've taken the kids originally in hopes of luring Scarlet Witch there and wanting to acquire some of her incredible power. Scott Derrickson, the original director of Doctor Strange 2, even wanted Nightmare to be the villain of the sequel in earlier iterations, so Marvel Studios could've kept him involved even after Derrickson's departure.

If Nightmare is the key to Scarlet Witch getting her children back, he could play an important role in her potentially villainous turn. Nightmare could present her with a proposition: do some of his bidding (like eliminating threats to him in the multiverse) in exchange for Billy and Tommy existing in the real world. It's a potentially fascinating story that Doctor Strange in the Multiverse of Madness could explore with Scarlet Witch, especially if the MCU's version of Nightmare is really a Doctor Strange variant.

More: Doctor Strange 2 Theory: Scarlet Witch Kills The Illuminati

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