UPDATE 2: Here’s the first image of the camo included with the preorder pack:

UPDATE: GameStop has just added listing for Call of Duty: Advanced Warfare for Xbox One, Xbox 360, PS4, PS3, and PC, and preordering for PS4, Xbox One, Xbox 360, and PS3 version will get you the camo code for BO2 and Ghosts.

Preorder Call of Duty: Advanced Warfare and receive the GameStop Exclusive Advanced Warfare Personalization Pack!
PowerUp Rewards members who Pre-order Call of Duty®: Advanced Warfare at GameStop today get the exclusive Advanced Warfare Personalization Pack for use in Call of Duty®: Ghosts!
Transform any loadout with a progressive weapon camo pattern, in-game inspired reticle, playercard, background and patch.
*While Supplies Last
**This Personalization Pack is only available in Call of Duty®: Ghosts for Xbox One®, Xbox 360®, PS4®, and PS3® and in Call of Duty®: Black Ops II for Xbox 360® and PS3®.

Game UK is the first retailer to announce a preorder bonus for Advanced Warfare.

Preorder Call of Duty: Advanced Warfare on Xbox One, PlayStation 4, Xbox 360 or PlayStation 3 and receive an Advanced Warfare personalisation pack for Call of Duty: Ghosts and Call of Duty: Black Ops II – Inlcudes weapon camo, reticle, playercard, patch and background

This Advanced Warfare-themed Personalisation Pack can be used across a variety of weapons, with the trademark Ghosts skull marking your rifles, machine guns and even shields. The Personalisation Pack is for use in Call of Duty: Ghosts on Xbox One, PlayStation 4, Xbox 360 and PlayStation 3 or Black Ops II on Xbox 360 or PlayStation 3!

We’ll update as more retailers reveal info.