User blog comment:CoD addict/Ideas for the next Call of Duty game/@comment-5004899-20110211042734/@comment-1647479-20110211043756

Oh, I certainly believe that a new engine would greatly benefit and revive the series entirely.

It's just that an engine change is not too likely considering the corners that have been repeatedly cut in the past. Also, note that Activision is trying to push one of these out every year.