It opens with a suicide bombing. You are in a van full of terrorists, nervous, silent, about to do something awful. The van arrives, and a man with a bomb strapped to his chest strides out into a crowded urban space, detonator in hand. He moves to pull the trigger, and we smash cut to the title: Modern Warfare.
Source: Kotaku – Modern Warfare Demands Your Attention, But It Might Not Deserve It