Issue: #254
"HELL ON EARTH WAR" rages on as X-Factor struggles to stop the Hell Lords from tearing the Earth apart in their battle for dominance! And as the war spills into New York City, X-Factor receives help from longtime allies......but help may come too late as members of X-Factor Investigations continue to fall.
Creators: Alan Fine, Axel Alonso, Dan Buckley, Joe Quesada, Nick Lowe, Daniel Ketchum, Jay Leisten, Peter David, Leonard Kirk, Matt Milla, Jennifer M. Smith, Cory Petit, David Yardin
Characters: Mephisto, Polaris, M, Satannish, Shatterstar, Asmodeus, Longshot, Madrox, Hela, Layla Miller, Rictor, Darwin, Wolfsbane, Tier, Strong Guy, Mephista
Story arcs: Hell On Earth War