Sadie Sink had no idea about the most talked-about and insane Spider-Man 4 plot twist. The former Stranger Things star plays the iconic X-Men character, Jean Grey, in Spider-Man: Brand New Day alongside Tom Holland in the titular role. The original version of Spider-Man: Brand New Day’s script had more dialogue regarding Sink’s character talking about how V-Max meant nothing. How Sadie Sink’s character fits into Spider-Man 4’s storySadie Sink plays the popular X-Men character Jean Grey in Spider-Man 4. Spider-Man: Brand New Day is now playing in theaters.