Here's what I found out so far about it:
-all first-run copies will include a Dragon Ball Z Goku costume download code and collectible trading card
-Pre-ordering from GameStop will net you an exclusive poster
-PowerUp Rewards members will additionally receive a 30 day trial subscription to Neon Alley, an anime streaming service available on the PlayStation 3 and Xbox 360.
-Two different pre-orders are coming to Club Namco. The first, a $79.99 purchase, provides additional exclusive items, including high quality collectible Naruto Uzumaki and Sasuke Uchiha 6” figurines from Banpresto, an exclusive poster and game soundtrack. Only 5,000 copies of the product will be offered. Consumers can also opt for the $59.99 pre-order, which contains an exclusive poster and game soundtrack.