Bought MK9 Pack that gives you costumes and fatalities on xbox 360 got the costumes but no fatalities help?

I bought Mortal Kombat 9 and i also bought the pack in the Gamer market that gives you the alt Costumes and fatalities for scorpion, sub zero etc... I only got the Costumes how do i get the fatalities? The Pack even said it gives the fatalities and Costumes. help