TMDb/Spider-Man: Brand New Day Celebrity Spider-Man: Brand New Day resolves a major MCU post-credits mystery. Could other long-forgotten characters finally return? Explore the future of Marvel's tea... April 2, 2026 AceShowbiz - The Marvel Cinematic Universe (MCU) is about to resolve one of its most enduring post-credits mysteries with the arrival of Spider-Man: Brand New Day. This development opens the door for fans to remain hopeful that several other characters, who have been sidelined for years, might also return in future projects.