A few nice Batman: Arkham City images I found:

Picked up COD MW3 and Batman: Arkham City for the new Xbox 360

Image by justin_levy

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A few nice Call of Duty: Modern Warfare 2 images I found:

unlocked a title in Call of Duty Modern Warfare 2

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Xbox 360 Limited Edition: Call Of Duty – Modern Warfare 2

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Some cool Call of Duty: Modern Warfare 2 images:

Boys at Call of Duty: Modern Warfare 2 booth at Igromir 2009

Image by Sergey Galyonkin

Xbox 360 Limited Edition: Call Of Duty – Modern Warfare 2

Image by adamjackson1984