"Moment of Truth!" featuring the Sub-Mariner.
The military have made bait of the captive Warlord Krang and Lady Dorma to catch the Sub-Mariner, but Namor snares them and returns them to Atlantis to stand trial. Krang demands that his trial be man-to-man combat with Namor. Krang is crushed and Lady Dorma redeemed in Namor's eyes once the truth is out. 12 pages.
"The Humanoid and the Hero!" featuring the Hulk.
The Leader's ultimate Humanoid is activated by General Ross, and the mistake is instantly recognized. The Hulk engages the Humanoid and is battled to a stand-still. The spy who sabotaged the Orion Missile confesses, and the military recognize the magnitude of their error. Boomerang circles the fight, waiting for his moment to strike. The Hulk is in the unusual role of playing the hero, and defeats the Humanoid, collapsing under the effort. 10 pages.
Both features reprinted in Marvel Super-Heroes (Vol 2) #42.