Guardians of the Galaxy & X-Men: The Black Vortex Omega #1

THE BLACK VORTEX ENDS HERE! When an entire planet, and potentially the entire galaxy, is caught in the crosshairs of Knife's cosmically empowered forces, the Guardians and the X-Men face their final test. With billions of lives at stake, our heroes are forced to make the ultimate sacrifice. But in gaining the power to potentially defeat Knife, by submitting to the Black Vortex, could they have given up their humanity forever?

Characters: Beast, Blood Brothers, Carol Danvers, Collector, Corsair, Cyclops, Czar Doon, Delphinia, Drax the Destroyer, Ebony Maw, Father Diablo, Flash Thompson, Gamora, Gara, Godhead, Groot, Iceman, J'son of Spartax, Jean Grey, Kitty Pryde, Lockheed, Lydia (Robot), Magik, Misa (Marvel), Nova (Alexander), Rocket Raccoon, Ronan the Accuser, Star-Lord, Storm, Thane, Venom, Warren Worthington III, X-23