LAS VEGAS - NOVEMBER 10: GameStop worker Brandon Khan (L) sells David Riddick of Nevada a copy of the highly-anticipated video game 'Call of Duty: Modern Warfare 2' at a GameStop Corp. store early November 10, 2009 in Las Vegas, Nevada. Video game publisher Activision Blizzard Inc. planned to release the sixth installment in the 'Call of Duty' franchise at midnight in 10,000 stores in the United States.