This is the last double-story issue-after this, the title chances to The Hulk, but retains the numbering. Which means the comic titled “Hulk” will go from issue #6 to #102. Confusing.
Loki tries to use Hulk for his own ends again, and the Warriors Three help foil the plot. The story is continued in Hulk #1. Very cool to have an Asgard story without Thor.
On the Sub-Mariner half, he has amnesia and is believed dead by his fellow Atlanteans, wanders the Antarctic, and meets Paul Destine, in his first appearance. It’s also continued in the first issue of the character’s solo book.