Why is Marcus Fenix in prison at the start of GOW?
Fenix is the protagonist of the series. He is first introduced as an inmate, serving a prison sentence for abandoning his military post in order to make a vain attempt to save his father, Adam Fenix. Prior to the Locust Invasion, Fenix is noted for having a famed military career, during which he played a notable part in the Pendulum Wars. Despite this, Fenix is left for dead in a dilapidated penitentiary, until Dominic “Dom” Santiago, his friend and former comrade, saves him in the first act of Gears of War. Fenix is shortly reinstated into the military, and assigned to serve with Delta Squad. He becomes the leader of Delta Squad when Kim is killed by RAAM. Fenix leads his comrades across the ruins of Sera, in an attempt to activate to the Coalition’s latest weapon against the Locust. When Delta Squad is split up, he teams with Dom.