What happens when an Inhuman-led Kree go to war with the Shi'ar led by the crazed Summers brother Vulcan?ÿ When these mighty powers turn their rage upon one another, what happens to those caught in the crossfire? When two mighty rulers wage war, who will rule?ÿ Collects War of Kings #1-6, Secret Invasion: War of Kings & War of Kings: Who Will Rule.