"The Power of Iron Man!" featuring the Sub-Mariner by Lee and Colan/Kirby/Ayers.
Story continued from Tales of Suspense (Vol 1) #80.
Namor renews his attack on Iron Man after the Golden Avenger's interference ruined the Submariner's chance to catch the fugitives Lady Dorma and Warlord Krang. The two heroes fight an equally matched battle until Namor spies Krang's ship off shore, and abandons Iron Man in pursuit of his true quarry. 12 pages.
Reprinted in Iron Man Special #1.
"The Battle Cry of the Boomerang!" featuring the Hulk.
Hulk is teleported from the underground lair of Tyrannus to his desert home where the military has been waiting for him. Major Talbot informs General Ross of his daughter's kidnapping by the Boomerang at the behest of the Secret Empire. The military chase Boomerang, but not before the Hulk reaches him first. 10 pages.
Both features reprinted in Marvel Super-Heroes (Vol 2) #37.