Dr. Doom and Sub-Mariner #13, Dr. Doom and the Savage Sub-Mariner (Marvel Comics, 1977)

In issue #13 of "Dr. Doom and the Savage Sub-Mariner," published in 1977, the infamous Latverian ruler, Dr. Doom, hatches a nefarious plot to conquer the undersea kingdom of Atlantis, challenging the formidable Prince Namor, the Sub-Mariner. As tensions rise between land and sea, this electrifying tale showcases a battle of wits and wills, where alliances are tested and the fate of both worlds hangs in the balance.