Blood ties and betrayal! As the epic saga of the Gatherers approaches its climax, Earth's Mightiest Heroes collide with the Children of the Atom! When Acolytes leader Fabian Cortez kidnaps Luna, daughter of Quicksilver and Crystal, as part of his power struggle with Exodus, the Avengers are drawn into a Genoshan civil war alongside the X-Men! Then, the Avengers face Ghaur and the Deviants! But nothing can prepare them for the shocking truth about the scheming Proctor and his multiversal Gatherers! What will the explosive climax of Proctor's interdimensional plan mean for Black Knight and the volatile Eternal Sersi? Plus: What feelings stir within the Vision? And the immortal Hercules is targeted for death! Collecting AVENGERS (1963) #367-377 and ANNUAL #23, X-MEN (1991) #26, AVENGERS WEST COAST #101, UNCANNY X-MEN (1981) #307, and AVENGERS LOG #1.