Secret X-Men #1

SSHHH - IT'S THE X-MEN! When the Shi'ar Empire faces an unexpected threat, they must call upon the X-Men. Team co-captains Sunspot and Cannonball must lead Marrow, Tempo, Forge, Banshee, Strong Guy, Armor, and Boom-Boom on a secret mission to save Empress Xandra. Wait, those aren't the X-Men. Aren't those the mutants who lost the election? Rated T+