User blog comment:Damac1214/Call of Duty: Advanced Warfare is Built on a New Engine, Says Sledgehammer/@comment-64.131.129.153-20140505042550

Infinity ward said the same thing for call of duty ghost at first, they said "this is a new engine" then two months later "this an upgraded engine from past call of duty game." But since the advanced warfare trailer is badass compare dto the last 3 game trailers, i will turn a blind eye