User blog comment:Crazy sam10/My views on a MW4/@comment-86.28.230.121-20130221182843/@comment-1263839-20130222104128

The anon above me is right, CoD 4's ending, whilst imo terrible, didn't really leave an opportunity open for sequels. So instead they took the lazy route of just setting the next game years later so they can just have stuff happen without proper explanation.