Every AVX tie-in, collected in one massive volume! When Captain America declares war on the X-Men, how will Generation Hope and the Avengers Academy react to their mentors' actions? As the Secret Avengers battle the Phoenix Force in space, Iron Fist discovers the connection between K'un Lun and Hope Summers! And when the Avengers try to secure the Jean Grey School, Wolverine must decide where his loyalties lie! But as the Phoenix Force arrives, tipping the scales of battle, the Avengers and X-Men realize the stakes are higher than they knew - and the that fate of the Earth is in their hands.