User blog comment:Callofduty4/Robert Bowling wants free classic maps for MW3/@comment-1854594-20120229073844/@comment-92.84.48.236-20120301143911

Pretty sure Bungie said they made the maps for multiplayer and firefight first, then put them into the campaign for more length. I thought that was great since I knew how to play on them in the multiplayer after I have finished the campaign.