Could it be, The Brain is back once again? If I am counting correctly, this is El Cerebro's 4th appearance fighting Aquaman. After 4 defeats, he may want to consider changing his name especially after how stupidly he acted this time. The Brain enlisted a computer's help, by the looks of it, the same computer that calculated the location of the golden-ticket bearing Wonka bars. This computer gave The Brain the idea to make Aquaman super buoyant. While mining gems to make the buoyancy ray, The Brain managed to trap Aquaman, Lad, and even Tusky in a water thickening beam, but since that wasn't the way the computer had suggested to defeat Aquaman, The Brain just left the heroes there to escape... DUH!