Fantastiske Fire #9/1980

In "Undervannsmannen mot FF!", Prince Namor of Atlantis, the Sub-Mariner, finds himself at odds with the Fantastic Four after saving the life of the villainous mutant Magneto. Though Namor tries to reason with him, Magneto turns on him, manipulating events to spark a war between Atlantis and the heroes of New York. As Namor’s undersea kingdom prepares to launch a full-scale assault on the surface world, the fate of both civilizations hangs in the balance.

In "Krig mot Atlantis!", the Fantastic Four race to prevent a global conflict between the United States and Atlantis, only to uncover a sinister plot orchestrated by Magneto. With Invisible Girl and Lady Dorma taken hostage, Magneto manipulates both sides into war, seizing control of the Atlantean forces and launching an invasion of New York.

In "Vår verden - i slaveri!", Magneto, at the head of the Atlantean army, lays siege to New York City, holding Sue and Lady Dorma captive as he demands the Fantastic Four swear loyalty. With the fate of the surface world hanging in the balance, Namor and the heroes must find a way to resist—before the tide of conquest drowns all hope.