20,000 LEAGUES BEGINS! A distress call from Atlantis has brought Batman and Superman deep beneath the waves... and face to face with the king himself: Aquaman. But this man of two worlds harbors a secret, and it will be up to the Dark Knight and the Man of Steel to thwart a coup that threatens the peace of all undersea life! A new story arc begins as the World's Finest travel under the sea with new ongoing series artist Adrian Gutierrez!