Iron Man - Demon in a Bottle TPB (2008)

Iron Man faces his most untouchable foe in criminal industrialist Justin Hammer and his literal army of super-villains! But can the Armored Avenger overcome an even more implacable personal demon, invulnerable to technology or wealth? Guest-starring Ant-Man and the Sub-Mariner! Collects Iron Man (1968-1996) #120-128.