Aquaman: Sword of Atlantis #54 (2007)

Waiting For The Son
With the help of his allies, including the unlikely aid of King Shark, Arthur has forced Black Manta to retreat from Sub Diego. But in the wake of battle, Mayor Cal Durham and allies discover some disturbing trends... Black Manta was working in Sub Diego in the employ of Tri-Dent Industries, the same corporation that was allied with Ocean Master recently. As Arthur and Lorena head to the surface to discover the truth behind Tri-Dent, Elsa Magnusson and Dane Dorrance find their way to Neos, where they learn of Dys, and the awakening of their god, Urlok.
Release Date: 2007