Providing the image is legit, highlights include a one year membership of Call of Duty Elite and a 100-page "field journal".
Activision declined to comment, but an official reveal is expected at this weekend's Call of Duty XP event in Los Angeles.
Here's the full list of content shown in the promo:
Call of Duty: Modern Warfare 3 game with unique disc art
One year of membership in Call of Duty Elite, including future MW3 DLC
"Founder status" on Elite with exclusive in-game emblem, player card, camouflage, clan XP boost and other exclusive benefits
Premium SteelBook case
Exclusive PlayStation Network Animated Timeline Theme
Exclusive Xbox 360 Special Ops Juggernaut Xbox Live Outfit
Limited edition "field journal" featuring more than 100 pages of "authentic military sketches, diagrams and written entries"