User blog comment:AntiScootaTwo/Advanced Warfare Multiplayer Reveal Trailer released/@comment-82.43.246.124-20140814173330/@comment-1187559-20140815191208

To be fair, it'll be blank complaints. It's peoples own faults for putting their own explanations to something that was never there. Tally marks is hardly a direct reference to Zombies. And like Raven just said, people ahve used tally marks on personalised weapons to indicate kill counts.