Spider-Man 4 (officially Spider-Man: Brand New Day) is right around the corner, and, in a twist no one saw coming, Stranger Things star Sadie Sink is reportedly joining Tom Holland for the long-anticipated installment. And with Tom Holland teasing his Spider-Man wearing the classic suit in this new installment, fan theories have already begun. Below, we have compiled everything we know (so far) about Spider-Man 4 (now officially Spider-Man: Brand New Day), including changes in the crew, injuries on set, and everything Holland has teased about the plot. ©Sony Pictures/Courtesy Everett CollectionAfter years of referring to the untitled project as Spider-Man 4, Marvel officially revealed that the title for the fourth movie in the series will be Spider-Man: Brand New Day on March 31, 2025. At the event, Holland described Brand New Day as "a fresh start.”"I know we left you with a massive cliffhanger at the end of No Way Home, so Spider-Man: Brand New Day is a fresh start.