Century Plus Comic #53

In "The Voyage of the S.S. Batman," a young woman and her dog take a cruise on a ship transformed into a mock Bat-Cave, unaware that a group of crooks are aboard, planning to steal a trophy with a hidden map leading to stolen treasure.

When Dale Conroy is overlooked by Aquaman in a swimming meet, she sets out to prove she’s the superior swimmer — and soon earns the title "Aqua-Queen" after outperforming him at every aquatic feat. But as her reputation grows, a shocking truth begins to surface about how she achieved her dominance.