User blog comment:Callofduty4/Black Ops II receives large title update/@comment-25496444-20121207195554/@comment-4373501-20121207232000

BO2 takes place ten years from now so between 2005 (when the XM8 project was canceled) and 2025 the bugs were worked out and the XM8 passes trials. In other words its not an alternate reality just a take on the future.