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

When an ancient long-lost artifact surfaces on the far side of the cosmos, various contingents begin scrambling to harness its incredible power. 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 powerfully devastating it will take the combined might of both the X-Men and the Guardians of the Galaxy to defeat!