User blog comment:Cpt. Riley/Infinity Ward Co-Developing MW3 w/ Sledgehammer/@comment-32788838-20110123223924/@comment-99.115.144.115-20110125235217

@ Lucario. Call Of Duty was Infinity Ward's Idea so fuck Treyarch they owe their existence and success at least in terms of sales to Infinity ward so the least they can do is let IW use zombies.