[2] Perhaps most significantly, the Thunder God's long-established personality is drastically altered, changing him from an eager and willing divine combatant into an ecocentric, arguably unstable, and reluctant warrior.

[3] Adapted from Stan Lee and Jack Kirby's comic book version of Thor by Mark Millar and Bryan Hitch, in-turn based on the deity of the same name of Norse mythology, first appearing in The Ultimates.

[4] Ultimate Thor was once a psychiatric nurse called Thorlief Golmen until suffering a nervous breakdown before his 30th birthday.

[5] His background is made less clear due to his brother Loki's reality manipulations,[6] and later stories try to reconcile this history with the existence of Asgard.

Following the battle, Thor became good friends with Tony Stark and Steve Rogers, pledging his support whenever lives are in danger.

As he is idolized by Johnny Storm and Ben Grimm, he fraternizes with them and orders Carol Danvers to prepare a keg of beer for after the battle.

Reed Richards at one point created infant hard light versions of the Ultimates and thought Thor to be the most powerful superhuman on the planet.

In another storyline, an interdimensional parasite that sought out the most powerful being on the planet bypassed a present Thor and possessed Doctor Doom.

Thor appeared as a minor character in an alternate timeline as the President of the United States due to time travel involving Skrull invaders.

In a restaurant, he meets fellow Asgardian Volstagg, also reincarnated as a human being, who warns him his half-brother Gunnar Golmen/Loki has escaped and is shifting reality on Earth to strike at Thor.

When Thor intervenes on behalf of the protesters, the incident is used as an excuse for the Ultimates to team with the European Defence Initiative's super-soldiers to arrest him.

The EDI's head scientist Gunnar Golmen reveals that Thor's powers are technological in nature, coming from his belt and hammer.

At first Loki has the upper hand by using his powers over reality to become immune to Thor's hammer and overpowering the thunder god while summoning an army of Asgardian monsters to kill the Ultimates.

After an army of Asgardian warriors arrive to fight the monsters, Loki's powers stop working for unknown reasons.

During the battle, Loki reveals he is responsible for creating the idea of a Norwegian super-soldier program and framing Captain America.

During these events, upon finding Valkyrie's lifeless body following a tidal wave, Thor enters Valhalla to reclaim her soul.

In Valhalla, Thor sacrifices himself to save Valkyrie and Captain America from Hela, and this allows them to go back to life.

[17] Thor remains in the Ultimates when they were employed by Carol Danvers and battles Nick Fury's black-ops team codenamed the Avengers.

In the ensuing battle, Odin transports Loki to the Room with No Doors, but is subsequently killed by a Frost Giant named Mammoth.

He is given a suit designed to heighten his strength significantly, leaving him practically unbeatable, along with being equipped with a weather-manipulation device which allows him to control weather and teleport across space.

When the scientist face difficulty in handling the size of the machine, Thor tells them to make it the head of his new ax-hammer.

Once allowed into the open, Thor works on a number of humanitarian projects, and rejects offers from General Nick Fury to join the Ultimates.

There, he rescued Captain Britain, but was defeated by the Children, and the Maker showed himself as Reed Richards, with the condition of deliver that message.

[23] When Reed Richards and his Dark Ultimates destroy the Trisection, Thor leaves to drown his sorrows at a small bar in Arizona.

[25] After the destruction of both the Earth-616 and Ultimate universes as seen during the "Secret Wars" storyline, Thor is among those rescued by God Emperor Doom and transported to Battleworld.

Thorlief begins investigating the murderers of various men and women who all turn out to be alternate universe versions of Donald Blake and Jane Foster.

Currently, the Collector is being challenged for possession of this hammer by Thanos' Black Order, as well as a team-up of Odinson, Toothgnasher (one of his magical goats), "Thori" (a Hellhound previously owned by Loki), and Beta Ray Bill.

[28] This hammer is subsequently claimed by Volstagg, after he witnesses the brutal demise of several children in a conflict with Cindr's forces.

But, in the Ultimate Thor miniseries it is revealed that the hammer resembling the Earth-616 version was his weapon when he was a god, and was lost during Ragnarok.

When the Children of Tomorrow drain the Odinforce and exterminate the Asgardian race, Thor is stripped of his godly powers and gives his square hammer to his son Modi before pushing him into the World Tree.