Guardians of the Galaxy / All-New X-Men: The Trial of Jean Grey

In this 2014 Marvel crossover, the Guardians of the Galaxy and the All-New X-Men collide when Jean Grey is put on trial by the Shi'ar Empire for the crimes of her cosmic Phoenix-possessed future self. Artist Sara Pichelli brings a dynamic, sleek energy to the story as the two teams must unite to defend Jean against a judgment that could spark an intergalactic war. A pivotal moment for both franchises, it bridges cosmic and X-Men lore while exploring themes of legacy and accountability.