Ultimatum: Ultimate Fantastic Four & X-Men

A single-issue Spanish-language reprint from Panini España, this 2009 comic collects the tie-in chapters of the "Ultimatum" event that specifically involve the Ultimate Fantastic Four and the X-Men. Published as part of the larger "Ultimatum" crossover that reshaped the Ultimate Universe, this issue is notable for presenting a key moment in the conflict between Marvel's Ultimate teams.