Xbox usually handles this better via Smart Delivery, but if you are missing audio:
We’ve all been there. You’ve just finished a 150GB update for Call of Duty: Modern Warfare II , you grab your controller, boot up the game, and... silence. Or worse, you’re hearing Russian dialogue during a cutscene, but your subtitles are in Spanish. english language pack for call of duty modern warfare 2
For players of the most recent reboot released by Activision and Infinity Ward, there are two primary ways to download and activate the English language pack via official launchers. Xbox usually handles this better via Smart Delivery,