The Mega Mondo Pop Cartoon-a-Con in sunny California marks the spot for mystery in this all-new original Scooby-Doo adventure! The Mystery Inc. pals -- Fred, Daphne, Velma, Shaggy and Scooby -- head to the annual convention, but they're not there to crack their next case. They want to meet their favorite comic book characters and see a megabucks movie premiere, an explosive big-screen remake of the classic cartoon The Adventures of Blue Falcon, featuring Shaggy and Scooby's favorite superheroes: caped avenger Blue Falcon and his trusty but bumbling robo-pup, Dynomutt.

Originally from Africa, Mari McCabe grew up an orphan after her parents were killed by local greed, corruption and wanton violence. But Mari refuses to succumb to the terrors surrounding her. Inheriting her family's Anansi Totem, Mari can access the powers of animals - anything from the super-strength of a gorilla to the speed of a cheetah. As Vixen, she fights valiantly to protect the world from threats like those that claimed her family.

A mysterious new villain known only as Hush uses a gallery of villains to destroy Batman's crime-fighting career as well as Bruce Wayne's personal life, which has been further complicated by a relationship with Selina Kyle/Catwoman.