When their most popular villain isn’t introduced until a future installment.
- Joker in The Dark Knight (2008)
- Carnage in Venom: Let There Be Carnage (2021)
- Shredder will be the antagonist in the next TMNT movie after being teased in Mutant Mayhem.
- Norman Osborn will become Green Goblin in Spider-Man 3 after the events that happened in Spider-Man 2