Ultimate Comics: X-Men (2011) #29

'WORLD WAR X' BEGINS!!! • JEAN GREY vs. KITTY PRYDE! TIAN vs. UTOPIA! • Will the planet be torn apart when the two mutant nations go to war? • Alliances broken! Sides chosen! Betrayals abound! • The story that will take the fate of the mutants in a dangerous new direction starts here!