I've finally managed to collect every Call of Duty to be released physically on Xbox consoles. (Cold War and Vangaurd are both the cross gen versions so I felt it wasn't necessary
Call of Duty 2: Game of the Year Edition - Xbox 360 | Activision | GameStop
Call of Duty: Black Ops - Xbox 360 Game On Sale Now
Xbox 360 Limited Edition Call of Duty: Modern Warfare 3 Console Bundle from 2P Gaming