Fantastic Four (1961) #102

“The Strength of the Sub-Mariner” Part 1 of 3. Guest-starring the Sub-Mariner. Script by Stan Lee. Pencils by Jack Kirby. Inks by Joe Sinnott. Cover by John Romita and John Verpoorten. Prince Namor travels to Antarctica to explore a mysterious subsea shockwave! The Sub-Mariner’s investigation leads to the Savage Land and an unconscious man lying on the ground. Who is this gentleman? Readers of the X-Men would know…but unfortunately the Avenging Son does not! Once the Atlanteans take the Master of Magnetism back to Atlantis, he begins to encourage Namor to attack the surface world. Will the Sub-Mariner fall for Magneto’s ploy? Regrettably, the Fantastic Four make the choice easy for Namor, when the Thing accidentally fires a missile at Atlantis!