Batman vs. Teenage M
Batman, Batgirl and Robin forge an alliance with the Teenage Mutant Ninja Turtles to fight against the Turtles' sworn enemy, The Shredder, who has apparently teamed up with Ra's Al Ghul and The League of Assassins.
Puss in Book: Trappe
The SpongeBob Movie:
When a diabolical pirate above the sea steals the secret Krabby Patty formula, SpongeBob and his nemesis Plankton must team up in order to get it back.
The hyperactive red-headed bird enters a turf war with a big city lawyer wanting to tear down his home in an effort to build a house to flip.