Back To The Future 4 Trailer (2025) Tom Holland, Robert Downey Jr., Michael J Fox | Fan Trailer #5

Marty McFly and Doc Brown must find their older selves from another universe for a special mission. The trailer was created by a fan who imagined a modern take on the franchise, featuring Tom Holland as Marty and Robert Downey Jr. as Doc. The creator sought to capture the original series' adventure, humor, and heart while blending new actors with authentic footage, using effects, music, AI, and editing software to make the interactions feel realistic.