When an ancient long-lost artefact surfaces on the far side of the cosmos, various alien contingents begin scrambling to harness its incredible powers. But what at first promises to be a bright icon of hope, soon turns into a weapon of complete and utter destruction - a threat so powerful it will take the combined might of both the X-Men and the Guardians of the Galaxy to defeat! Collecting Guardians of the Galaxy and the X-Men: Black Vortex Alpha and Omega, Guardians of the Galaxy #24-25, All-New X-Men #38-39, Legendary Star-Lord #9-11, Guardians Team-Up #3, Nova #28, Cyclops #12 and Captain Marvel #14.