User blog comment:Callofduty4/Ghosts PC Title Update 11/19/13/@comment-89.100.49.34-20131123230101/@comment-25494464-20131123232456

It's not too far fetched to think that they might have more maps for Extinction. I'd be surprised if they didn't put any in. I'm definitely wondering whether or not they'll be adding weapons for DLC.