TMDb/Spider-Man: Brand New Day Celebrity Who is the main villain in Spider-Man: Brand New Day? Explore the mystery as Tom Holland's Spider-Man faces a web of foes in the new MCU film. March 23, 2026 AceShowbiz - Marvel Studios is keeping details under wraps about the primary antagonist in the upcoming Spider-Man: Brand New Day, the fourth MCU film starring Tom Holland as Spider-Man. While several villains have been confirmed or rumored, including Scorpion, Tombstone, Boomerang, and Tarantula, none have been explicitly identified as the main threat.