User blog comment:AntiScootaTwo/Call of Duty: Advanced Warfare confirmed to be set in 2054/@comment-12521892-20140502233443/@comment-737493-20140503004210

I always thought the graffiti with the little girl was street art reminiscent of Banksy, with the sledgehammer and teddy bear being a non-too-subtle nod to their own company and the CoD series' use of bears.