To promote the game , Activision held a two-day event called '' Call of Duty : Experience 2011 '' ( '' Call of Duty : XP '' for short ) which took place in Los Angeles from September 2 – 3 , 2011 . It featured many things including the reveal of the new multiplayer which attendees were able to play for the first time . In addition , all attendees received the Hardened Edition for free as a gift for attending . At a '' Call of Duty : Modern Warfare 3 '' VIP party in Amsterdam , Dutch porn star and avid fan of the series Kim Holland was originally invited to attend the event until she was suddenly uninvited when Activision discovered her profession . In her blog , she shared her opinion and feelings towards Activision 's sudden decision : " People murdering people is neat , ... but love-makers are dirty ? " she wrote . Activision did not respond to any comments about the subject
Call of Duty : Experience 2011
Call of Duty: Experience 2011
Call of Duty: Modern Warfare 3