“Captives of the Deadly Duo!”
EIC: Stan Lee
Cover Artists: Jack Kirby, Dick Ayers
Writers: Stan Lee
Pencilers: Jack Kirby
Inkers: Dick Ayers
Colourist: Stan Goldberg
Letterer: Artie Simek
Editors: Stan Lee
Cover Date: September 1962
Release Date: June 1962
Cover Price: $0.12
Fantastic Four assemble on the roof of the Baxter Building following the their conflict with Dr. Doom from the previous issue. Johnny has been searching for him but states he cannot locate him.
Elsewhere, Dr. Doom searches the ocean depths in his personal submarine, looking for Namor, the Sub-Mariner. He finally finds him, and after introductions, travel to Namor’s underwater dwelling.
Doom convinces Namor that he will help him in his quest for vengeance against the surface world. Namor agrees, but with one caveat – Susan Storm must not be harmed.
Doom shows Namor one of his scientific creations, a magnetic device he calls “the Grabber” which can be used to retrieve objects via magnetism. He gives it to Namor and reveals his plan for the conquest of the surface worls.
Back at the Baxter Building, Johnny Storm finds a photo of Namor among Sue’s things and asks her about her feelings for the Sub-Mariner. Sue confesses to having feelings for him even though she is engaged to Reed Richards, the FF’s leader, Mr. Fantastic.
As if the mention of his name summoned him, Namor appears, having entered through a window, stating he is on a peace mission. Reed has to restrain Ben from attacking Namor, but Johnny attacks him.
After a brief skirmish, Namor insists he is there as a friend. But the Fantastic Four don’t trust him and search the building for any booby traps.
Suddenly, a loud noise is heard outside as the building begins to shake. Dr. Doom has employed his Grabber to seize the Baxter Building and carry it into space with his ship.
Before they suffocate in the airless coldness of space, the team put on space helmets. Johnny finds he can’t use his flame powers due to the lack of oxygen.
Ben blames Namor for their capture, and attacks him. Meanwhile, Doom is carrying the Baxter Building in the direction of the sun, intending to send the structure into its fiery depths.
When Namor realizes that Doom means to kill them all, he immerses himself in a water tank to replenish his strength. He then flies into space to confront Doom.
Reaching Doom’s craft, Namor forces his way inside. Doom attacks him. But Namor, possessing the powers of an electric eel, turns the electric shock back towards Doom, who is forced to eject into outer space. Unable to control his trajectory, Doom is carried away by a passing meteor.
Namor takes control of Doom’s ship and guides the Baxter Building back to its foundation in New York City. The Fantastic Four find and dislodge the Grabber device from the building as Namor returns to the sea, his true home.