Call of Duty: Modern Warfare 3 was known to be in development after a legal dispute between Infinity Ward co-founders Jason West and Vince Zampella and Activision resulted in the pair being fired from the company.
Call of Duty: Modern Warfare 3 dikenal dalam pengembangan setelah sengketa hukum antara pendiri Infinity Ward Jason West dan Vince Zampella dan Activision, yang memecat pasangan tersebut dari perusahaan.