UNCANNY X-MEN #13

(W) Gail Simone (A) David Marquez (CA) David Marquez

"THE DARK ARTERY" Starts Here! In their most terrifying adventure yet, the four young OUTLIERS discover the true meaning of Haven House and a doorway that should never be opened. Meanwhile, an otherworldly presence has set its covetous eye on one of the four young mutants, in a story that tells a never-before-told slice of the history of mutantkind!