Hellblazer #100 Vertigo Comics (1988)

Special anniversary issue! Fallen into a coma, Constantine is transported to the darkest corner of his own personal hell, to an unwilling reunion with his estranged and long-deceased father! With Constantine's adversary, the First of the Fallen, as a gleeful witness, father and son unravel the layers of their stormy relationship and at last confront the dark secret behind their mutual animosity.