Warren Worthington is no more... there is only Archangel! As their leader succumbs to the darkness within him, Uncanny X-Force has only one place left to turn for a cure - the Age of Apocalypse! But before they can find the one thing that can save their friend, the Uncanny X-Force must battle the Amazing X-Men! The next big X-Force epic begins here and no member of Wolverine's black ops squad will escape unscathed.