57e47233_and_Secrets_for_3DS___GameFAQs__How_to_Unlock
[Unlockable] Extra! Extra! [How to Unlock] 
Battle requires courage! Train by using your EX Gauge to successfully land 100 EX Moves!
Super Street Fighter IV: 3D Edition Cheats, Codes, and Secrets for 3DS - GameFAQs