(W) Jeff Lemire, Charles Soule (A/CA) Aaron Kuder. What happened eight months ago that set the Inhumans and X-Men on a collision course? The wait is over the answers are here! As the Inhumans travel to Japan* where one Terrigen Cloud creates a shocking NuHuman* the X-Men head to Muir Island and find a second Terrigen Cloud causing something truly terrible. When these two events collide* a conflict of catastrophic proportions explodes! While Storm and Medusa come together to seek a solution for the Terrigen's deadly effects on mutants across the world* Cyclops and Emma Frost put their own plans into motion. Lines will be crossed as the first true battle in the Inhumans/X-Men war begins and Scott Summers won't be the only one who doesn't make it out alive! Collecting DEATH OF X #1-4. Rated T+