While Sadie Sink would be a great casting choice for Jean Grey in Spider-Man 4, the Stranger Things star might be playing a lesser-known mutant.

Sadie Sink is leaving Hawkins, Indiana for Earth-616 and joining the cast of Spider-Man 4. The casting news comes from Deadline, who says that Sink has officially joined the cast despite Marvel and Sony being unavailable for comment at this time. Tom Holland is, of course, set to return as Peter Parker.

The casting of Sadie Sink in Spider-Man 4 has kicked off a storm of speculation. With fans eager to know who the Stranger Things star will play in Tom Holland ’s next web-slinging adventure, a new upd