Sadie Sink, best known for playing Max in the sci-fi horror series Stranger Things, is all set to join the Marvel Cinematic Universe. The actress is reportedly in talks to star in Spider-Man 4. The film will see Tom Holland reprise his role as the web-slinging superhero. As per reports on Deadline, Sadie Sink is expected to play a key character in Spider-Man 4. The Destin Daniel Cretton directorial is produced by Amy Pascal and Kevin Feige. So far, Marvel Studios and Sony Pictures have not commented on the update. Who will Sadie Sink play in Spider-Man 4? Fans are speculating that Sadie might play Jean Grey in Spider-Man 4. If the theory is proved right, we’re in for the first Spider-Man and X-Men crossover. A section of fans is leaning towards MJ. While Zendaya plays Michelle Jones in the Spider-Man films, there could be room for a new version of Mary Jane Watson. This ties into the plot of the films since MJ has forgotten Peter Parker towards the end of the events of …