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In Journey Into Mystery #109 (by Jack Kirby, Stan Lee and Chic Stone), Thor and Magneto fought for the first time and Magneto plainly was able to use his magnetic powers on Thor's hammer...
Unlike adamantum, Magneto cannot manipulate vibranium – not if it's pure. Vibranium is a rare, extraterrestrial metallic ore. It has near-mystical properties that allow for energy manipulation and more. There is a Wakandan isotope and an Antarctic isotope, and both of them are completely unaffected by Magneto's powers.
Originally Answered: can Magneto defeat Thor? No. Because even though Magneto could control Mjolnir, Thor can control lightning. Magneto is basically a walking lightning rod.
1 Would Demolish Him: Magneto
Magneto could protect himself from Loki's attacks and throw all kinds of metal at him. Loki is rarely outclassed- but Magneto is his superior.
Doctor Doom is one of the most dangerous people on the planet. A big reason for this is that he's an extremely intelligent individual who can figure out a way to beat anyone, including Magneto. Mutant powers can be inhibited, and Doom knows that.
Yes, even Spider-Man has been worthy of holding the hammer of Thor.
And Mathaudhu can cite documentary sources to back him up. For example, Marvel – which publishes the Thor comics – issued a “Thor's Hammer” trading card in 1991 that states Mjolnir is made of Uru and weighs precisely 42.3 pounds. That's lighter than a herd of 300 billion mice, much less a herd of 300 billion elephants.
The hammer Stormbreaker is very similar to Mjolnir, made of mystic Uru metal and is nearly indestructible. Worthiness: Just like the original Mjolnir, no one can lift Stormbreaker who is not worthy.
Magneto should have been able to take Iron Man down with ease, but when the two fought, Tony Stark gave the X-Men a NEW Master of Magnetism. Iron Man beat the X-Men's Magneto, in one of the most spectacular battles in the "Avengers Vs. X-Men" event.
Magneto rips the Adamantium from Wolverine's bones, killing Wolverine, leaving just a severely charred skeleton and an arm of flesh due to his healing factor not working.
Ultron is made of metal. Magneto is the master of magnetism. It's pretty open and shut. Magneto's magnetic force fields would defend him indefinitely against Ultron's attacks and Magneto could throw Ultron around with magnetic abilities while pummeling him with all the metal around.
Anyway Thor is a more powerful than magneto.
Just before casting Thor out, Odin applies his spell on Mjolnir saying whosoever holds this hammer, If he be worthy, shall possess the power of Thor. This must mean that before applying that spell, un-worthy people could also lift his hammer.
Stormbreaker has the additional power to summon the Bifröst, allowing Thor to teleport anywhere in the Nine Realms. Screen Rant has identified Stormbreaker as the more powerful of the two, based on this ability, as well as it being a much larger and edged weapon.
Endgame Detail Proves Thanos Knew He Couldn't Lift Mjolnir - Theory Explained. While many believed Thanos lifted Mjolnir during the Battle of Earth in Avengers: Endgame, a detail shows he knew he wasn't worthy of it.
How high that strength level rises would vary in different comic books, but most classify Thor in the “Class-100” strength category, which means he can lift well over 100 tons without too much difficulty.
9 Superman Is The Epitome Of Superheroism
As soon as the fight was over, Superman couldn't lift the hammer anymore. However, under normal circumstances, without any weird interference, Superman is worthy of Mjolnir.
Like Stormbreaker, Mjolnir also allows Thor to wield thunder and lightning; however, it's not capable of summoning the Bifrost. The magic hammer did develop a power Stormbreaker couldn't, though, and it's able to detach its broken pieces to attack multiple enemies at once, before coming together again.
How Marvel's Deadpool Lifted Thor's Hammer Even Though He Wasn't Worthy. In their spotlight on bizarrely awesome comics, CSBG shows the time that Deadpool appeared to be able to wield Thor's hammer!
6 Could Defeat Him: Shazam
His body and powers are magical in origin, meaning that Magneto's best weapon (his ability to control the iron in a person's blood) probably wouldn't work on him and even if it did, Shazam could call down the kind of lightning bolts on Magneto that could shatter his forcefields eventually.
He also has a genius-level intellect that gives an advantage over Hela. While Hela would have a chance against him, fans believe that Magneto would come out victorious, as he's a formidable opponent in any environment.
Using all of his magnetic powers Magneto tore Apocalypse apart.