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Sadie Sink It has been booked and busy since packing Strange thingsand MCU fans are convinced they know the character she’s playing Spider-Man: A Brand New Day. The actress and Marvel Studios have remained tight-lipped about her role, but rumors surrounding her casting have suggested a possible connection to the MCU. X-Men.
During a January 2026 interview with Jimmy FallonSadie said it was “torture” to hide the details of her role. To make matters worse, fan theories spread across the internet, helping her know that she had already been chosen A whole new day.
“I found out through online theories. For example, before I was selected Spider-ManThere was speculation online saying, “Sadie Sink will be in the new movie.” Spider-Man.’ I was like, ‘Hmm? ‘Me?’” The whale “And sure enough, two days later, they asked me to do it,” Starr said before adding, “So, yeah, those theories, sometimes there’s some truth to them.”
As for the character she plays, Sadie admitted there was “a lot of speculation” surrounding her and added, “I feel like there’s a new character every week,” referring to fan theories.
So, who do you play Sadie as? Spider-Man: A Brand New Day? here, Hollywood life She’s rounded up everything we know so far about her character and her involvement in the film.
@valontonite Sadie Sink found out she was in the @Spider-Man: A New Day movie just like the rest of us 🤣 #FallonTonight #TonightShow #SadieSink #SpiderMan #JimmyFallon
♬ original sound – FallonTonight
What is Sadie Sink’s role in? Spider-Man? A whole new day Character explained
Rumors have circulated that Sadie might play Jean Gray in the film Spider-Man: A Brand New DayBut neither she nor anyone from Marvel has addressed the rumors.
Mark RuffaloBruce Banner, also known as The Hulk, appears in the 2026 film as Dr. Banner, and Peter approaches him with a question about DNA mutations.
“If DNA mutates, could it be so dangerous?” Bruce asks in the trailer.
Who is Jean Grey? Spider-Man?
The character Jean Gray is a mutant, as we saw in the movie A whole new day Trailer, apparently Tom HollandPeter Parker’s spider-senses will undergo a mutation.
Fans were convinced they caught a glimpse of Sadie in the teaser, but whoever the character is she appears with her back turned.
