He reads about the upcoming fight between Thundra and the Thing in a newspaper and is confused.
He arrives in the microverse kingdom of Terragonia, the people think he was sent from their gods to fight the oppressive Warrior King Kronak. Hulk is persuaded to storm the castle and try to take on Kronak. Turning back to Bruce Banner during the conflict, Banner meets Kronak in a coliseum with only a sword. During the fight, Banner turns back into the Hulk and easily defeats Kronak. Then he suddenly shrinks until he is no longer visible.
Hulk is falling in between atone, getting smaller and smaller until his size stabilizes and he lands on a world on an atom. He is attacked by some creatures he recognizes as Warthos, and is able to fend off their attack and throw them some distance away. He then hears some voices and sees Jarella being catapulted towards a mountain as a sacrifice to the Mountain God. Hulk jumps and is able to catch Jarella and save her. Hulk flees with Jarella. They find a place to stop and reminisce about their past, then share a tender kiss. She tells Hulk that God of the Mountain has been plaguing her people with earthquakes, and some of her people blame her for this because she married an outsider like the Hulk. Hulk resolves to fight this Mountain God, and Jarella insists on going with him. At the top of the mountain, Hulk and Jarrella fund a giant house with a giant door. They crawl underneath the door and are attack by the Mountain God, who is a giant. Not being intimidated, Hulk fights the giant, and finds that he's a robot. Hulk is able to completely dismantle the Mountain God into scraps. Wanting to leave, Hulk is suddenly hit by a beam from Psyclop.
Hulk lands on K'ai and saves Jarella from being sacrificed. They share a kiss and then climb to the top of a mountain. There, Hulk fights the giant Mountain God, whom Hulk reveals to be a robot as he defeats him. Then he gets hit by a surprise blast from Psyklop and is captured. Later in Psyklop’s base, Hulk escapes his bounds and attacks Psyklops, who is able to pacify Hulk through hypnotism. When the armies of K’ai come to save Jarella, Psyklop tricks Hulk into fighting them. When Jarella’s sorcerers break Psyklop’s hold on Hulk, Hulk goes after Psyklop. Jarella gets Hulk to stop, and asks Hulk to marry her. Hulk happily agrees, only to be enlarged by Samson and brought back to Earth with Jarella.
While saving Rick Jones from a Gamma bomb, Bruce Banner is exposed to the radiation and becomes the Hulk, a grey creature of incredible strength who turns back into his normal form during the day. While chased by the army, the Hulk unmasks Igor, a Red spy. The Gargoyle tries to capture the Hulk, but later, Banner cures him from his deformity.
Bruce Banner has set up a cave with a thick concrete wall to contain the Hulk at night. Banner is locked up for treason when the military find him in the wreckage of the Toad Men's spaceship. Changing into the Hulk, whose skin is now green, he kidnaps Betty Ross. Next morning, Bruce helps defeat the Toad Men with his Gamma Ray Gun.
The Hulk is exiled into space on a rocket by General Ross. A cosmic radiation causes an incident that links him mentally with Rick Jones who becomes able to control him after the rocket capsule crashes. This bond helps both of them defeat the Circus of Crime when the Hulk is captured by the criminal team.
Since the rocket incident, the Hulk no longer changes back to Bruce Banner so he agrees to let Rick use Bruce's new gamma ray machine on him. Banner makes a few adjustments to the machine and when he turns into the Hulk, he keeps Banner's mind, but Rick observes that he now seems more aggressive.
Sabotages on his base force General Ross to seek the help of the Fantastic Four to find and destroy the Hulk, whom he thinks is responsible. Banner explains why the Hulk cannot be the culprit but a new incident seems to prove otherwise. The Hulk meets the Fantastic Four for the first time in a maze of underground passages. The battle takes them to some ghost town where the team discovers that the Wrecker is the one who sabotaged the base. After they deliver the spy to Ross, the Fantastic Four are officially honored for the first time in a military ceremony. Bruce expresses his gratitude to Reed whose reply hints that he knows something about his connection with the Hulk.
Bruce realizes that each time he changes into the Hulk, the transformations are becoming more and more erratic. With the help of Rick and his newly created Teen Brigade, the Hulk defeats an alien invader called the Metal Master. After using his machine to turn back to his normal form, he remains stuck in the Hulk form for days before the rays take effect. Ironically, it occurs while he learns that the Hulk is granted presidential pardon.
The Hulk tries to prevent a railroad catastrophe but instead, he is accused of attacking a train. Hunted down, he decides to hide in a traveling circus and perform in their shows. Ant-Man, the Wasp and Iron Man still manage to track him down and confront him. Thor arrives with Loki who confesses that he framed the Hulk for the train incident to set a trap for his foster brother. After they capture the God of Mischief, the Hulk decides that he would rather be with the four heroes than against them and accepts to join the new team called the Avengers.
In order to turn the Avengers against one another, the Space Phantom takes possession of the Hulk's body, which sends the real one to Limbo. When he comes back, the green giant has to deal with everything the imposter did and is attacked by the rest of the team. After the alien has ended up in Limbo for trying to take the immortal Thor's body, the Hulk comes to the conclusion that each of the Avengers hates him and decides to leave the team.
Rick finds the Hulk in New Mexico, but after briefly changing into Banner, the monster smashes out of his cave and goes on a rampage. The Avengers confront him in the desert to reason with him but it turns in to a fight and the Hulk chooses to escape. Reaching the Atlantic after a few days, he meets the Sub-Mariner who offers to team up with him. They start by attacking the Avengers, but when the Hulk randomly changes into Banner, he hides to protect his identity and Namor escapes back to the sea.
The Hulk goes back to his secret cave and smashes Banner's lab. Then, seeking revenge with the Avengers, he travels to New York City where he goes on a rampage. Three of the Fantastic Four try to stop him but during the short struggle, the Human Torch is knocked out and the Invisible Girl overtaxed her powers fainted, so it is up to the Thing to confront the green monster. The two goliaths engage in a long and intense battle, but the Thing is beaten and on the verge of exhaustion. The Hulk hijacks a subway to get to the Avengers headquarters and he attacks his former teammates. Soon, the Fantastic Four arrive and they decide to join forces with the Avengers. Together, they finally manage to defeat the Hulk who jumps into the Hudson River after Rick Jones has thrown a gamma-ray pill into his mouth. Changing into Banner, he is taken away by the current.
In New Mexico, General Ross shows Bruce Banner a strange rock formation emerging from the ground and asks for his expertise to get rid of this growing hill. The Avengers also come to investigate, but Banner turns again into the Hulk and attacks the team. Giant-Man tricks him into smashing the rock at its only vulnerable spot, causing it to implode. Banner wakes up at some distance from the site and Betty takes him back home.
The Hulk's cave is invaded by Spider-Man so the green goliath attacks him. Outmatched by the Hulk's strength, the hero prefers to escape.
The Hulk is challenged by an alien called Mongu who turns out to be a robot controlled by a Soviet who tries to capture him with his army. During his encounter, the Hulk uses his famous crush leap for the first time.
The Hulk rescues Betty Ross who has been taken hostage by Tyrannus to his subterranean world to force the US Military not to interfere with his plan to conquer the surface world.
The Hulk travels to Asia to stop the army of General Fang before his plans for conquest degenerate into another world war.
The Hulk is freed from military custody by Hydra in an attempt to control him.
Hulk travels to Morvania and encounters a local dictator.
Hulk gets talked into fighting Draxon again, defeating him.
The Hulk is tricked by the Human Top into fighting Giant-Man and the Wasp. The Wasp warns her partner of nuclear missile approaching the deserted town in which he and the Hulk are battling, but ultimately, the Hulk redirects the projectile towards another target to save them both. The blast turns him back into Bruce Banner.
Thor sees children arguing on who is the strongest between Thor and the Hulk so he tells them of their one-on-one fight when the Avengers had to face him, and which ended by a standstill as they got separated by a wall of rocks. Later, in the desert, the Hulk vows to defeat Thor next time they meet.
Hulk is sent to World War I by Kang to defeat the Phantom Eagle and stop his mission to destroy a mountain cannon.
Bruce Banner mysteriously transforms into the Hulk while he is heavily tranquilized. He then attacks a mysterious monster on instinct. After it vanishes, he is attacked and caught by a space hunter.
After a first clash with the Abomination, the Hulk gives in and works as a crewman on Xeron's space ship. While defeating the monster Klaatu, the Abomination and the Hulk plummet to earth.
Bruce Banner visits Betty at the hospital when Sandman turns up. After changing into the Hulk once again, he fights and vanquishes Sandman.
The Hulk lands ashore a tropical island and has to deal with the local dictator but he gets help by Prince Namor and Silver Surfer. After the battle he joins them on their quest.
The Hulk tries to help the Sub-Mariner to prevent a catastrophe regarding an experimental weather control station but attacks the guarding Avengers on a whim. Just before he defeats Thor, Hulk calms down and leaves his temporary allies.
Hulk is seemingly attacked by all his former foes, one after another, but these enemies are only projected into his mind. When the illusions end, Hulk leaps away.
Bruce realizes that stress causes him to change into the Hulk and back. The indestructible robot he is working on for General Ross gets stolen by a spy who takes control of it and tests it against the Hulk with some success. Changing back into Banner forces him to escape. Ross finds him and expresses his distrust of him.
After getting knocked unconscious by the blast of a missile launched by the spy to hit the military base, the Hulk is captured by Major Glenn Talbot and General Ross. Transforming back into Banner allows him to escape but his is captured again by the Chameleon who wants to get his hands on his research. Changing into the Hulk, he chases after the villain and prevents a Gamma Grenade Bomb from destroying the military post.
After Talbot places Banner under arrest for trying to steal one of his own nuclear inventions, Ross is forced by the Pentagon to release the scientist, thanks to Rick Jones' intervention with the President. The Hulk has to face the Leader and his Humanoids who try to steal the Absorbatron. Banner gets captured by the Reds who take him beyond the Iron Curtain and try tor force him to work for them, but the Hulk manages to escape.
After escaping the Communist Army by transforming into the Hulk, Banner is captured and held for ransom by a Mongolian bandit chief. Talbot comes to his rescue but falls from a cliff and blacks out while the Hulk saves him from a certain death and leaves him behind to go back home. Days after he arrived, Banner is taken back to Astra Isle to conduct tests on his Absorbatron with Talbot. Before the tests begin, the Hulk is attacked by the Leader's Humanoids and succumbs to their sleeping gas. But once he has taken him to his base along with the Absorbatron, he is unable to control the giant who destroys the weapon. The military find Banner apparently dead in the collapsed lair.
Rick steals Bruce's body and takes it to their secret lab to reanimate him with gamma radiation. The process changes him into the Hulk but this time, he keeps Banner's brain. With a bullet still in his head, the Hulk realizes that he is condemned to remain in this form or Banner will die. In the meantime, the Leader has unleashed a 500-foot Humanoid and the Hulk tries to protect the missile base against it. Ross is launching a super-missile at them and the Hulk jumps away to his lab with Rick. When Ross threatens to nuke his cave, he sends Rick away. Then the Leader appears in a projection and offers him to teleport him to safety if he accepts to become his ally. After the Hulk agrees, he takes him to his lab where he gases him and tries to put him under his control. While he is unconscious, the Leader discovers the bullet in the Hulk's head and removes it, which puts the hero in his debt. So he sends him to the Watcher's home planet to defeat a powerful alien creature and then steal the Ultimate Machine for him. When the Hulk hand over the device to the Leader, the villain uses it on himself to acquire universal knowledge but the strain on his brains seemingly kills him.
