Have:
Gears of War 1 Games on Demand code
Battlefield 4 Air Vehicle Shortcut (XB1)
3 Day XBL Trial
2 Day XBL Trial
Want:
Offers
Codes for games, dlc, avatar items (let's see what you have)
Forza 5, Horizon 2 dlc codes
Far Cry 3 online pass
How exactly does the chain reaction deals work if you already have one of the items. I have the Catwoman pack so can I just buy the Bane mask and Robin pack, then skip straight to the Nightwing pack for the discount?