A new Call of Duty Know Your Enemy trailer offers an ominous warning from the future that further supports the recent indications that Activision is about to announce a new installment in the CoD series called Call of Duty: Infinite Warfare. GameInformer has combed the video for clues, and lays out their frame-by-frame analysis of what they suspect this all means about the possibility of a futuristic installment in the shooter series.