ComicsMarvel ComicsX-MenThe first crossover of the new X-Men age is revealed in advance X-Men solicitationsWhen you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. ComicsMarvel ComicsX-MenThe first crossover of the new X-Men age is revealed in advance X-Men solicitationsWhen you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. (Image credit: Marvel Comics) Starting in December, two ofMarvel’s core X-Men titlesare crossing over for a story that pits two mutant teams against each other as they both attempt to invade the Greymalkin Prison, built in the former X-Mansion. The crossover, titled ‘Raid on Graymalkin,’ runs from December through January in X-Men #8 and #9 and Uncanny X-Men #7 and #8 - and the two teams will find themselves at ideological odds in how to handle taking down …