Dear Amazon.com Customer,
The Amazon Video Games team thanks you for ordering X-Men: Destiny. It has come to our attention that original directions sent out were incorrect. Please see the correct instructions below on how to receive your Emma Frost Suits.
"Enter the code below at the ""A Start"" screen on the main menu":
"Hold (RB + LB) and press Up, Down, Right, Left, B, Y"
This was for the Xbox 360 edition
Found this on IGN.com for Emma Frost and Juggernaut
Unlockable Suits (Pre-Order Bonuses)
In the main menu, enter the following codes on the D-Pad to unlock additional suits.
*Emma Frost Suits - UP, DOWN, LEFT, UP, DOWN, LEFT, RIGHT, LEFT
*Juggernaut Suits - Hold LB+RB and press DOWN, RIGHT, UP, LEFT, Y, B