While in training, the Avengers hear news of the Hulk's recent battle against Spider-Man (in Amazing Spider-Man #14.) While else where in the city, David Cannon (AKA the Human Top) reads about Giant-Man's recent battle against the Colossus (Last issue) and recounts his last defeat at the hands of Giant-Man (in Tales to Astonish #55 since then he has been practicing a new ability: the ability to generate a stream of powerful air pressure in a blast, strong enough that can punch through a brick wall. He then begins plotting a way to get revenge on his foe.
Later, after the training session with the Avengers is adjourned, Giant-Man and Wasp take to the street. After roughing up some cat-callers who were whistling at the Wasp, Giant-Man is spotted by Cannon, who follows them as the Top (spinning fast enough so he can't be seen.) the Top overhears that the two heroes are planning to go to New Mexico to search for the Hulk.

Arriving in New Mexico, Giant-Man and Wasp arrive at the missile testing base and ask General Ross for assistance in capturing the Hulk. Ross attempts to assign Bruce Banner to help the two heroes, however Banner declines and leaves in a foul mood. While driving in the desert, Banner gets excited enough to trigger his transformation into the Hulk. The Hulk, deciding to go after Giant-Man, trashes the jeep Banner was riding in and jumps off into the sky.

Landing in a near-by town, the Hulk goes on a rampage and is spotted by the Top (in his civilian guise) who begins planning on how to use the Hulk to destroy Giant-Man. Meanwhile in the desert, Betty Ross, Giant-Man and the Wasp find the wreckage of Bruce Banner's jeep and they all believe that he was attacked by the Hulk (none of them knowing that Hulk and Banner are the same person.) and Giant-Man vows to stop the Hulk and get Bruce back.

Elsewhere in the desert, the Top tries to stop the Hulk long enough to offer a partnership, but misses his chance when the Hulk bounces away too soon. Giant-Man spots the Hulk bouncing through the air, and shrinks down to ant-size and gets ahead of him via a miniature rocket he built. Landing in a near-by town, Giant-Man resumes his giant-size and uses a billboard as a megaphone to warn the people of the town of the Hulks pending arrival.

Landing outside the city, the Hulk is confronted by the Top, who tries to get his attention. Staving off the Hulks first attack, the Top informs the Hulk that Giant-Man is waiting for him in the nearby town. The Hulk then bounds off to battle the hero while the Top goes to initiate the second part of his plan. He locates General Ross and his military convoy and informs them that the Hulk is in a near-by deserted town and convinces them to use a miniature nuclear weapon in the hopes that it would also destroy Giant-Man.

While Giant-Man and the Hulk battle it out in the abandoned town, the Wasp learns of the General's plan to fire the missile at the town, and is too late to stop them from firing. Failing to disarm the missile, she contacts Giant-Man via their cybernetic link, and Giant-Man convinces the Hulk to stop the missile.

The Hulk grabs the missile in mid air, foiling the Top's plan. The Top, fearing that the missile could go off anywhere decides to make a run for it, but soon becomes it's victim when the Hulk (unknowingly) throws it in the direction which the Top had escaped. The explosion causes the Hulk to revert back into Bruce Banner, who reunites with Betty Ross.
Returning back to New York, Giant-Man jokingly states that he has nothing to report when attending the next Avengers meeting.

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