After Marvel's Earth was destroyed by the heartless, only a select few managed to make it safely off world.  Now the survivors have teamed up with the Final Fantasy team and you, your crush, Jasmine and and her crush team up with Sora, Donald, Goofy and the Guardians of the Galaxy to save the universe from the heartless and a team up of Disney and Marvel villains. If Jasmine or your OC's crush is Loki, then he is working on the side of the villains at first.