SSFIV Costume pack?

does anybody know how i can get the Costume pack with Dhalsim in?? im using Dhalsim alot and Gen and i wanna know if i could get there dlc??? i know amazon gave away a reedam code with the game…but i didnt get mine? if there is any nice people out there who could help :slight_smile: would be nice…message me either on here or xbl (i always check my xbl account)