The first time John Jameson met Spider-Man was during one of his first space travels. Indeed, his space ship deviated from his trajectory and it was Spider-Man who succeeded to bring back the command control. Then John Jameson could engage the parachute. For John, he owed a life to Spider-Man.

But several times, John fought Spider-Man.

During a space mission, John entered in contact with extraterrestrial spores which contaminated John. He gained a huge force and attacked a Spider-Man wrongly accused of bank robbery. Peter Parker succeeded to brought the colonel Jameson into an electromagnetic field. John became once again normal and understood that Spider-Man was innocent.

Another time, John Jameson found a gem on the Moon and decided to wear it around his neck. But the gem fixed on his throat. In consequence, every full moon night, John became the Man-Wolf. This wolverine attacked his father J. Jonah Jameson and his fiancé Kristine Saunders. But Spider-Man was at the right place at the right moment and fought Man-Wolf. Spider-Man succeeded to take off the gem.

John as Man-Wolf

Everything was fine until the vampire Morbius put back the gemstone on John’s neck. Morbius wanted to use Man-Wolf in order to cure himself. But Morbius failed against Spider-Man and must ran away condemned to stay a vampire. John was free; but with a worst malediction than ever: to become the Man-Wolf every night.

During his escape, John fought Kraven The Hunter and also Hate Monger. With the help of the SHIELD, he stopped Hate-Monger. John decided to give himself up to the SHIELD. Nick Fury proposed to acquit John if only he went to a communication station in orbit in order to check the breakdown. He accepted, went and discovered that the station was controlled by space warriors. These warriors came from Other Realm, an extra dimensional world where the gemstone came.

He learned that the gem is the creation of Stargod, a god who wanted to transmit his powers to a successor. He learned also that a tyrant Arisen Tyrk took the control of the Other Realm. John decided to go inside this extra dimensional world where he stayed the Man-Wolf with John’s mind. He fought Arisen Tyrk and beat him.

He came back to earth, but the malediction was still working. So John returned to the Other Realm for a rescue mission.

When he returned in earth, he learned that the gemstone poisoned his organism. His father decided to cryogen John until he found a remedy.

But Alistair Smythe broke the Man-Wolf free and controlled him to destroy J.J. Jameson and Spider-Man. Peter succeeded to take off the gem one more time. John felt inside Hudson River.

John Jameson reappeared and accepted to be treated by Lizard) with a biomagnetic solution. He was healed, but very feeble.

After his remission, he became successively Captain America’s pilot, bounty hunter and security chief at Institute Ravencroft.

During the Civil War, John has registered himself as Man-Wolf, but also helps Captain America's Secret Avengers. He is also dating She-Hulk at the time. When they got married in Las Vegas, he suddenly turned into Man-Wolf and after going into a rampage he turned into Stargod. When She-Hulk discovered that her feelings for John was influenced by Starfox. Because of this, Jennifer filed for annulment, but John admitted that his love for her is genuine and has nothing to do with Starfox's powers. Jennifer rejected this and John finally sign the annulment papers, dissolving their marriage.

John as Stargod

Powers

John Jameson is trained in unarmed fighting and various weapons and is also a skilled pilot and astronaut. The Man-Wolf, possesses superhuman strength, agility, hearing, sight, hearing, speed, stamina,smell, claws and has a healing factor. The Stargod is basically the Man-Wolf with enhanced abilities. Recently, he can now voluntarily changed from human to Man-Wolf form and he could also tapped into Stargod's power while being Man-Wolf.

Alternate Versions

Earth X (Earth-9997)

John Jameson now lives on the moon and is the father of Jay Jameson.

House of M (Earth-58163)

Instead of Johnny Storm being on the spaceship, it was John who piloted the ship, with Reed, Susan and Ben onboard. All of them died when they got bombarded with cosmic energy, save for Ben, who lost his mind and became the Thing-like creature called the It.

MC2 (Earth-982)

John is married to Dr. Ashley Kafka and they have a son named Jack. Jack became the costumed superhero called The Buzz.

Ultimate Universe (Earth-1610)

J. Jonah Jameson made no reference his son being John, only he referred him as a "true hero." JJJ said that his son died when his space shuttle burned up in orbit, although details about it have been classified.