Superman: End of the Century — Stuart Immonen

On the eve of the new millennium, someone is committing arson in Metropolis - and the target of their crimes is none other than Lex Luthor! And when the immortal Contessa del Portenza arrives, demanding custody of Lena, Luthor's infant daughter, the criminal mastermind realises that this is a threat he must take seriously...But what Luthor doesn't know is that the Contessa has another child, an immortal like herself - but one who believes that humanity are beneath him, and who has no qualms over killing. And when Luthor inadvertently reawakens this creature, only one man is mighty enough to stop his killing rampage...Superman!