Game audio mistaken for real life gun crime.
FIFA 13 is the highest grossing game in the series, followed by FIFA 12.
15 days to reach the milestone.
Studio hasn't spoken to any voice actors.
Leaked videos and images have shown what is reportedly Modern Warfare 3's upcoming DLC for September.
Call of Duty ad can only be aired after 7:30pm following complaints.
Activision also said to be interested in buying itself out of Vivendi's 60 per cent share.
Modern Warfare 3's next batch of DLC will be deployed on July 17, Activision has confirmed.
The French media conglomerate hopes to raise $10 billion through the sale of the WoW and Call of Duty publisher.
Infinity Ward has confirmed that popular Modern Warfare 2 multiplayer map Terminal will arrive in Modern Warfare 3 on July 18 for all Xbox 360 owners.
Infinity Ward has confirmed it will release popular Modern Warfare 2 map Terminal for Modern Warfare 3.