On May 23 , 2011 , Activision released the first gameplay trailer for '' Call of Duty : Modern Warfare 3 '' on YouTube ahead of its official premiere during the NBA Western Conference Finals . On May 31 , 2011 , Activision announced '' Call of Duty : Elite '' , a new social service for the '' Call of Duty '' community to track and compare statistics , create videos and access premium content . The service is fully integrated into '' Call of Duty : Modern Warfare 3 '' , and launched on November 8 , 2011 to coincide with the game 's release . On June 6 , 2011 , at 11:00 AM ( PDT ) , the first live gameplay demo of '' Modern Warfare 3 '' was presented by Robert Bowling and Glen Schofield at E3 2011 . On June 14 , 2011 , 12:35 PM ( EST ) , the first live gameplay demo of the new Survival Mode was played by Jimmy Fallon and Simon Pegg on '' Late Night with Jimmy Fallon '' . On August 9 , 2011 , the trailer for the new Survival Mode was released on YouTube . On September 2 , 2011 , the multiplayer world premiere trailer was released on YouTube . On September 3 , 2011 , another multiplayer trailer was released on YouTube showing off the heads-up display along with various weapons , perks , and killstreaks . On October 6 , 2011 , a second full-length cinematic trailer was released . On October 22 , 2011 , the launch trailer was released
E3 2011
E3 2011
Call of Duty: Modern Warfare 3