"No One Escapes the Mandarin" (X-673) featuring Iron Man by Lee and Heck; 13 pages.
Iron Man is held captive of the Mandarin, and only by tricking the Mandarin into a fruitless search for Tony Stark does Shellhead get a chance to recharge and bust free. The Mandarin attempts to snare another American missile with his Interceptor Ray, but Iron Man ruins the plan, destroys the Ray and recovers the stolen missiles.
Reprinted in Marvel Collectors' Item Classics #15.
"All About Iron Man"
A guided tour of the secrets and systems of Iron Man's armor. 4 pages (X-697).
"Pepper Potts' Pin-Up Page"
"The Atomizer, Part 1" (G-542)
A boy buys a second-hand perfume atomizer for his mother's birthday, but it turns out to be a disintegrator. 1 page, text only. Continued in next issue.
Reprinted from Mystic (1951) #39.
"Tales of the Watcher: The Sun-Stealer!" (X-693) by Lee and Lieber; 5 pages.
Uatu is caught unprepared when an alien arrives on the moon, announcing his plan to steal our sun for their own solar system. The Watcher must not interfere, and yet somehow foils the plans in the most ironic fashion.
Reprinted in Marvel Collectors' Item Classics #20.