Iron Man: Legacy of Doom #2 2008

Iron Man is trapped in Hell, a victim of Dr. Doom's sworn vengeance. And as if battling Mephisto's minions isn't trouble enough, he soon finds himself facing a threat from his past; a danger he can't destroy without endangering his own immortal soul! While on Earth, Dr. Doom strikes a black bargain with Morgana Le Fey, gaining new armor and a weapon that could make him the most dangerous man on the planet!