Walt Disney's Comics and Stories #9 (177)

When Donald Duck and his nephews Huey, Dewey, and Louie set off on a seaside vacation, Donald’s curiosity leads him to try skin diving—only to catch the eye of the eccentric Professor Quahog. Impressed by Donald’s daring, the professor recruits the whole crew to help explore the ocean’s deepest, most mysterious trenches, sending down a diving bell to uncover secrets hidden beneath the waves.

In "The Lost City," Mickey Mouse and Goofy embark on a jungle adventure searching for a fabled ancient site, only to cross paths with the unpredictable bandit Zink. Though initially friendly, Zink’s sudden greed leads him to take Professor Zink hostage, setting the stage for a tense chase through the wilds.