Following yesterday's bombshell report that Sadie Sink had joined the cast of Spider-Man 4, a reliable source has now seemingly revealed her mystery role and it's one that's very familiar to CBM

Sadie Sink is joining the Marvel Cinematic Universe. The “Stranger Things” star has been cast in “ Spider-Man 4 ,” in which she’ll share the screen with Tom Holland as the web-slinging Avenger.

Stranger Things actress Sadie Sink is set to appear in Spider Man 4, according to US reports. Hollywood publication Deadline said she had been cast in the sequel opposite returning star Tom Holland. There is no word yet on which character she might play,

"Stranger Things" star Sadie Sink has been cast in the upcoming "Spider-Man 4," Deadline reports. Production on the fourth film in the series is set to move forward later this year after Tom Holland finishes up his time making "The Odyssey" with Christopher Nolan.

By now, you've heard the news that Stranger Things star Sadie Sink has joined the cast of Spider-Man 4 alongside Tom Holland. But while fans mull over which fictional red head the 22-year-old actor is going to play—the most popular theory is probably X-Men's Jean Grey—they'll still have to wait for Spidey to stop filming Christopher Nolan's adaptation of The Odyssey before production of the Marvel x Sony project can even begin.