Mjølnir

: "Whosoever holds this hammer, if he be worthy, shall possess the power of Thor."
: ―Odin[src]
Mjølnir is a powerful enchanted war-hammer forged for the Asgardian Royal Family, and was used by Odin before he passed it down to his son, Thor Odinson. The hammer was used extensively by Thor as his primary weapon for centuries. 
== History ==
=== Creation ===
Mjølnir was forged from Uru.
=== Worthy Enchantment ===
==== Thor's Coronation ====
: "Thor Odinson, my heir, my first-born. So long entrusted with the mighty hammer, Mjølnir. Forged in the heart of a dying star. It's power has no equal as a weapon to destroy, or as a tool to build. It is a fit companion for a king."
: ―Odin to Thor[src]
Sometime before his coronation to be the king of Asgard, Mjølnir was given to Thor. He showed off with during his coronation, however, the ceremony was interrupted by a group of Frost Giants trying to steal the Casket of Ancient Winters from Odin's Vault. Thor wanted to go to Jotunheim and show the Asgardians' strength to ensure the Frost Giants would never trespass in Asgard again.
==== Attack on Jotunheim ====
Using the Bifrost Bridge, Thor, Loki, Lady Sif and the Warriors Three arrived in Jotunheim. After King Laufey mocked him, Thor used the full power of Mjølnir to kill as many Frost Giants as he could and even killed the Frost Beast.
==== Thor's Banishment ====
: "You are unworthy of these realms! Unworthy of your title! You're unworthy! of the loved ones you have betrayed. I now take from you your power! In the name of my father and his father before, I, Odin Allfather, cast you out!"
: ―Odin to Thor[src]
After the battle against the Frost Giants, destroying the fragile truce between them and the Asgardians, Odin punished Thor by stripping him of his godly powers. Odin exiled Thor to Earth as a mortal, accompanied by Mjølnir, now protected by an enchantment spoken by Odin so that only a worthy person could wield its power. Both were transported to Puente Antiguo, New Mexico.
==== Landing onto Earth ====
By the time Mjolnir is in Earth, people have flocked to the site, holding a tailgate party around it while they futilely try to move the object.
==== Infiltration of the Crater Site ====
: "Once I have Mjølnir, I will return the items they've stolen from you. Deal?""No. Look what's down there! You think you're just gonna walk in, grab our stuff and walk out?""No. I'm gonna fly out."
: ―Thor and Jane Foster[src]
When Thor discovered Mjølnir's nearby location, he attempted to retrieve it from the facility that S.H.I.E.L.D. quickly constructed around the hammer, but, due to his continued unworthiness, he found himself unable to lift it, and was captured. He was freed and resigned himself to his exile on Earth.
Later, Loki, invisible to mortals, came to the facility where he attempted to lift the hammer, but could not.
==== Battle of Puente Antiguo ====
When he seized the throne of Asgard, Loki sent the Destroyer down to the Earth in order to kill Lady Sif, the Warriors Three, and Thor. The Destroyer attacked and defeated the Asgardian warriors, prompting Thor to sacrifice himself instead. Struck by the Destroyer and near death, Thor's sacrifice proved him worthy to wield Mjølnir. The hammer returned to him, restoring his powers and enabling him to defeat the giant automaton.
==== Duel at the Rainbow Bridge ====
Thor returned to Asgard where he stopped Loki's plan to destroy Jotunheim. To do that, he had to destroy the Rainbow Bridge with Mjølnir.
=== Chitauri Invasion ===
==== Skirmish in Germany ====
==== Attack on the Helicarrier ====
While in battle against Hulk, Thor used Mjølnir to knock him off his feet with a well-placed blow to the jaw. When Thor threw Mjølnir, Hulk tried to catch it only to be dragged straight down to the ground. Even with all his strength, Hulk was unable to lift Mjølnir, giving Thor an upper hand in the fight.
==== Battle of New York ====
After joining forces with the Avengers, Thor used Mjølnir to great effect against the Chitauri.
== Capabilities ==
Thor had been entrusted with the mighty hammer Mjølnir, that was "forged in the heart of a dying star." Thor's mystical hammer Mjølnir, which resembled a mallet rather than a war hammer, had a number of elemental powers. It has been stated by Odin himself that Mjølnir's power had no equal, though its power has been contested by the strength of vibranium. Mjølnir was extremely durable and, combined with the various enchantments placed upon it by Odin, it was, for all intents and purposes, indestructible. It had deflected three blasts from the Destroyer (which were able to disintegrate its targets and cause explosions) and returned a blast back to it. Thor often used the hammer as a blunt melee weapon, with almost nothing being capable of withstanding a hammer strike or throw (with the exception of Captain America's Shield). Thor used Mjølnir for a variety of short, and long-range attacks, either by direct hits or by throwing it. It returned to Thor whenever he threw it or summoned it, regardless of the impending obstacles and distance; even traveling through realms. Whenever dropped by Thor, it assumed a fixed position from which no one could move it except for a "worthy" individual. Those worthy of wielding Mjølnir would find swinging the hammer nearly effortless. Thor also used it for directing his summoned elements, such as lightning, wind, rain, and snow. It was later revealed that Thor's lightning abilities never originated from Mjølnir, but rather it was a tool to help him focus and hone his powers until he was able to master his power and freely wield them.
* Storm Manipulation: While using Mjølnir, Thor gains the ability to summon bolts of lightning from the surrounding horizon. In addition to being able to channel electricity on its own, Mjølnir can draw environmental electricity from the surrounding atmosphere and redirect it towards a specific goal.
* Energy Projection: With Mjølnir, Thor can project lightning and blasts of electric energy. When Odin wielded it, he channeled and projected a powerful blast of energy, using it to remove all of Thor's superhuman powers and destroyed what was left of Thor's armor after stripping most of it off of him, throwing him through the Bifrost Bridge to Earth.
* Flight: Thor was capable of spinning Mjølnir with great force, at such high speeds that it seems like a blur to the naked eye, and by holding onto the leather thong or strap, was capable of flying through the air at tremendous speeds. How fast was not specified, but he was able to remain aloft in the middle of a Class-5 tornado, and traverse the distance from his father's chambers to Heimdall's Observatory and back again in seconds.Weight Manipulation: Mjølnir's enchantment allowed its worthy wielders to swing it nearly effortlessly yet, in reality, it was as heavy as a mountain to an average person. Its ability to manipulate its weight allowed Mjølnir to fly at high speeds without slowing down when hurled as well as have it strike with a massive concussive force equal to at least that of a grenade. In Jotunheim, Thor bashed the Frost Giants around him with his war hammer, then threw Mjølnir, making it strike multiple Frost Giants in its path in moments.
* Weapon Summoning: Mjølnir obeyed Thor's summons as though it were alive. Mjølnir traveled to Thor when it was displaced within a crater from miles away, reaching him in seconds. Mjølnir would return to Thor whenever it was thrown at an opponent.
* Clothes Generation: Mjølnir was able to conjure armor onto its user or change their combat attire into something more casual. Thor took advantage of this ability to change from Asgardian casual wear to his armor, and from his armor to human street clothes. Additionally, the hammer demonstrated being able to transform and disguise itself to an extent, either through enchantments placed upon it or from its own power, which notably allowed it to transform into an umbrella and then back again.
* Resurrection: Mjølnir could heal and return people from death, as it was capable of reviving Thor after he was killed by the Destroyer.
* Weight Manipulation: Mjølnir's enchantment allowed its worthy wielders to swing it nearly effortlessly yet, in reality, it was as heavy as a mountain to an average person. Its ability to manipulate its weight allowed Mjølnir to fly at high speeds without slowing down when hurled as well as have it strike with a massive concussive force equal to at least that of a grenade. In Jotunheim, Thor bashed the Frost Giants around him with his war hammer, then threw Mjølnir, making it strike multiple Frost Giants in its path in moments.
== Trivia ==
* In the comics, the hammer's name translates as "The Crusher" or "The Grinder." However, in Norse mythology, its name translates as "That which smashes."
* In the comics, Mjølnir has powers because an Elder God named God Tempest was imprisoned inside by Odin, the entity lost its consciousness over time, but regained it suddenly after thousands of years, when the owner of Mjølnir was Thor.
** It was also because of this entity that Mjølnir abandoned Thor and chose Jane Foster as its new owner.
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