Captain America was shown to be worthy in the comics when he was able to wield Thor's enchanted hammer, Mjolnir. This demonstrates that he possesses the virtues of bravery, courage, honor, and selflessness, which are the necessary qualities to be considered worthy of Mjolnir.
As it turns out, Mjolnir is not simply looking for a warrior, no matter how righteous, but rather the first warrior into the fray. As the last man standing against Thanos – and the one who led the charge once reinforcement arrived – the MCU's Steve Rogers rightfully fits the bill.
How Can Captain America Lift Thor's Hammer? Simple: Steve Rogers is worthy. The inscription on Mjolnir reads “Whosoever holds this hammer, if they be worthy, shall possess the power of Thor.” It doesn't matter how strong you are, if you aren't worthy, you can't lift Thor's hammer, no matter how hard you try.
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This didn't come as a surprise to Marvel comic fans, since Cap has proved on multiple occasions to be worthy of the power of the God of Thunder, as he's perhaps the most famous hero who is worthy of Mjolnir who isn't Thor himself.
In the former movie, it was likely Tony's narcissism and lack of humility that contributed to his “unworthiness.” These attributes did, however, make him a hero. After saving the world, making a play to sacrifice himself, and defeating Thanos' army, he was not able to lift Mjolnir in Age of Ultron.
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Why is Batman not worthy of Mjolnir?
NOT WORTHY
Batman's dubious, manipulative relationships with many of his fellow heroes are the least of the issues that would keep him from wielding the hammer. Even so, Batman is also the least likely to actually want the hammer, so his unworthiness probably wouldn't bother him.
Unable to make peace with a key part of himself, he's denied worthiness in the side of himself that he likely felt would be undoubtedly worthy. This arguable arrogance may have also contributed to being unable to lift Mjolnir.
While no one besides Thor has been able to truly wield the awesome might of Stormbreaker, Groot was the very first being to hold this weapon when one of his arms became the handle for the mighty axe.
Clearly, Thanos is aware he wouldn't be able to lift it. Although it's hard to pinpoint what exactly makes someone worthy of using Mjolnir, as it's ultimately determined by Odin, who placed the enchantment on the hammer, some believe one's worthiness is measured by traits like courage, honor, and selflessness.
From start to finish, however, from Captain America: The First Avenger to Avengers: Endgame, Rogers proved he was worthy with the strength of his ideals, the unflinching dedication to doing what was right, regardless of the consequences, and his steadfast dedication to the one thing he was dedicated to the most; people ...
The simple answer is no. Yes, Hulk absolutely smashes Thor to the ground with Mjolnir, but, he's holding both Thor and the hammer. Hulk wouldn't have been able to lift Mjolnir by himself, but since the God of Thunder had a firm grip on it as well, he was able to use it as a weapon against his teammate.
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.
Meanwhile, Christopher Markus and Stephen McFeely say that Steve Rogers was genuinely unable to lift the hammer as he was still being held back by lying to Iron Man about Bucky Barnes killing his parents.
Loki is confirmed to be worthy of lifting Thor's hammer, Mjolnir, for the first time in official Marvel canon. In The Immortal Thor #5, Loki confidently catches and wields the hammer, showcasing his growth and heroism.
But when it comes to the weapon's replacement, Stormbreaker – which Thor forges in Avengers: Infinity War – Groot is able to lift it too. Directors Joe and Anthony Russo explained the mechanics of the hammer/axe thingamajig in a Twitter Q&A. "Mjolnir requires worthiness, not Stormbreaker," they said.
Storm breaker is meant to be the strongest weapon of Asgard and could even summon bifrost, says Eitri. But there is no enchantment or spell on it like it was on Mjolnir. So one doesn't have to be worthy to weild it, just the strength to lift it. Clearly Thanos is capable of lifting it.
After bashing Thor with an entire stone pillar, Juggernaut managed to separate Thor from his hammer – but was unable to lift it as a selfish brute like him was unworthy of its power.
A machine can pick up the weapon and move it anywhere since it's mindless and incapable of possessing the morals necessary to be considered worthy. By this logic, Ultron himself could have lifted it, but it wouldn't have done him much good.
Originally Answered: Can Spider-Man (from any universe) lift Mjolnir? Sure, the prime Spider-man (Peter Parker of Earth 616) was able to lift Mjolnir and throw it to Thor.
Mjolnir has been manipulated in different ways in Marvel Comics, and many years ago, Iron Man was able to hold the hammer… thanks to zero gravity, meaning that he didn't properly lift it and he would have still not been able to wield it on Earth because he wasn't worthy.
There, Hawkeye witnessed Thor's attempts to lift the hammer when the Asgardian hero was banished to Earth and thus had none of his powers, meaning he wasn't worthy of holding the hammer.
