Ultimate Comics X-Men — Marvel
Issue: #29 B
"World War X" beings! 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!
Creators: Joe Sabino, Chris Sotomayor, Mark Paniccia, Scott Hanna, Emily Shaw, Jim Charalampidis, Gabriel Hardman, Elizabeth Breitweiser, Alvaro Martinez, Brian Wood, John Lucas, Carlo Pagulayan
Characters: Rogue, Storm, Kitty Pryde, Colossus, Havok, Iceman, Jean Grey, Husk, Blackheath, Jimmy Hudson, Derek Morgan, Liz Allan, Mach 2
Story arcs: World War X