How Will Jane Foster Become Mighty Thor? (& How Is She Worthy)


The newest trailer of Thor: Love and Thunder is already out, and it has gotten fans all over the world crazy because it reveals more of Natalie Portman’s Jane Foster as the Mighty Thor wielding the enchanted weapon Mjolnir. This is the first time we see Jane since the events of Thor: The Dark World in 2013, as she has been noticeably absent in all of the other MCU movies involving Thor. But how will Jane Foster become the Mighty Thor in Thor: Love and Thunder?

A collectible site that sells the replica helmet of Jane’s Mighty Thor explains that she became the hero when she traveled to New Asgard while terminally ill with cancer. The shards of Mjolnir saw her as worthy and were able to piece themselves back together to grant her the powers of Thor.

We aren’t certain whether or not the description for the helmet is true in relation to how Jane becomes the Mighty Thor in Thor: Love and Thunder. But it is clear that Mjolnir does see her as worthy enough to wield the powers of Thor. So, with that said, let’s look at how Jane Foster will become the Mighty Thor in Thor: Love and Thunder. 

Will Jane Foster Become Mighty Thor?

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The release of Thor: Love and Thunder is drawing closer and closer as we are about to see the newest story involving the god of thunder himself and where his new journey in life takes him. We do know from the teasers that he is going on an adventure around the galaxy together with the members of the Guardians of the Galaxy. But to what extent is something that we don’t know yet as it is clear that, at some point in the film, he will go on a separate adventure.

Then again, what we also know is that Natalie Portman is going to return as Jane Foster in Thor: Love and Thunder. The last time we saw Portman was when she was the love interest of Thor in the events of Thor: The Dark World, which was released back in 2013. As such, it has been nearly a decade since we saw her in the MCU.

Due to some disputes regarding the ones handling the Thor movies, Natalie Portman left the project. Meanwhile, in Thor: Ragnarok, Thor himself explained that he and Jane had broken up as it was clear that he was affected by the fact that they were no longer together. Nevertheless, she makes her long-awaited return as Jane Foster, the brilliant astrophysicist in the newest Thor movie, which is the first standalone MCU title to reach four movies.

However, the trailer of Thor: Love and Thunder does indicate that Jane Foster will have an entirely different role in this film. It appears that she will no longer play the brilliant damsel in distress but is going to be a hero instead. So, will Jane Foster become the Mighty Thor in Thor: Love and Thunder?

The trailer seems to indicate that, yes, Jane Foster will indeed become the Mighty Thor in Thor: Love and Thunder, as the trailer shows that she is wielding Mjolnir and how possesses the power of Thor. The newest trailer also shows her working alongside Valkyrie as she is perhaps the new protector of New Asgard while the actual Thor was far away in the galaxy going on adventures and is in the middle of a soul-searching phase.

As such, there is a good chance that she has taken the role of Thor as New Asgard’s version of Thor while she wields Mjolnir. And there is a good chance that her story will be focused around not only Thor himself but also Gorr, the God Butcher.

Why Will Jane Foster Become Mighty Thor?

At this point, there are no certainties regarding why Jane Foster will become the Mighty Thor in Thor: Love and Thunder because Marvel seems to be very strict when it comes to the details regarding its movies. However, that doesn’t stop us from making speculations in relation to the reason why Jane is the newest wielder of Mjolnir.

In case you’ve forgotten, Thor’s role was always to protect Asgard from any outside threats. This was what he did when the original Asgard was still intact and when Odin was still king. He was the one who kept the peace between the nine realms that Asgard controlled, as his duty was more of the protector of Asgard and all of the other realms that are under the protection of the Asgardians. In fact, Eitri made this clear when he was angry with Thor in Avengers: Infinity War as he told him that he and Asgard were supposed to protect the dwarves.

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However, after the events of Endgame, Thor left the leadership role of New Asgard to Valkyrie, who was the de facto leader of the Asgardians, while Thor was depressed following the events of Infinity War. Meanwhile, at the end of Endgame, he hinted that he was going on an adventure of self-discovery with the Guardians of the Galaxy while leading Valkyrie in charge of New Asgard as their king.

As strong as Valkyrie is, she is nowhere near Thor’s strength. She may be a powerful Asgardian, but she still has her limits because she isn’t a godlike being like Thor. As such, she may not be enough to protect New Asgard from any outside threat against the Asgardians.

Of course, the story of Thor: Love and Thunder will also focus on Gorr, the God Butcher, who has been killing gods all over the galaxy out of revenge for the death of his family long ago in his homeworld. He may be the being that will pose a threat to New Asgard as Gorr seeks to kill the Asgardians in the hope of ridding himself of the Norse gods. And that’s where New Asgard is in need of a protector.


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Jane might have been chosen by Mjolnir as the new protector of New Asgard while Thor was away on different adventures all over the galaxy. The enchanted hammer must have felt that Asgard is in need of a protector because the might of Valkyrie and the New Asgardian army might not be enough to defeat Gorr and whatever threat that he carries with him. In that regard, Jane Foster was placed in a position that gives her responsibility over the people that Thor should’ve been protecting.

How Will Jane Foster Become Mighty Thor?

Right now, the details regarding how Jane Foster will become the Mighty Thor are unclear. But there are some hints as to how she will become the Mighty Thor. And this comes from the description that Eaglemoss, an online shop, included in its replica version of Jane’s Mighty Thor helmet. The description reads:

“Suffering from cancer, astrophysicist and Thor’s ex-girlfriend, Jane Foster, visited New Asgard, and her life was changed forever. Mysteriously, the broken pieces of Mjolnir, the hammer of the thunder god, transformed her into the Mighty Thor and gifted her the superpowers of Thor to battle threats internal and external. Wielding Mjolnir herself, she had become a godly protector, and a new hero was born!

With the help of Thor, Valkyrie, and the Guardians of the Galaxy, the Mighty Thor was faced by the powerful Gorr, the God Butcher. With divine powers himself, Gorr was driven to rid the universe of gods wherever he found them. Battling cancer in her human form and Gorr in her godly form, Jane Foster was embroiled in an epic struggle with plenty of love and thunder!”

From there, we could make the assumption that Mjolnir simply pieced itself back together when it sensed that Jane was around when she visited New Asgard. She might’ve been visiting New Asgard in the hopes of reconnecting with Thor because she was already dying from cancer or probably because she was looking for a cure to the deadly disease.

But because the hammer thought that she was worthy of its powers, Mjolnir must have chosen Jane as the new protector of Asgard and to become the Mighty Thor. And while we don’t know whether or not Mjolnir will magically get rid of her cancer, we do know that her life is now forever changed thanks to the enchantment on the hammer.

How Is Jane Foster Worthy Of Mjolnir?

Being able to wield Mjolnir means that Jane Foster is indeed worthy of it. But the thing that has always been vague when it comes to the MCU’s version of Mjolnir is what it means to be worthy of its powers. This has been a question that most people have been wondering about ever since the very first Thor movie. So, how is Jane Foster worthy of Mjolnir?

At this point, we do have a theory of what being worthy is when it comes to Mjolnir based on the people who have been able to wield it and use Thor’s powers. The list includes Thor and Captain America. Vision isn’t included because there was no clear indication that he was worthy, being synthetic and all. And Hela isn’t included because, being the original wielder of Mjolnir, she must have a greater command over the hammer’s enchantment.


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In the first Thor movie, we see how Thor thought of himself as worthy when he tried lifting the hammer after he had been stripped of his godly powers. But it was only when he made a sacrifice play and never thought about whether or not he was worthy of the hammer that Mjolnir thought of him as being worthy of its powers.

Meanwhile, in Avengers: Age of Ultron, Captain America couldn’t lift Mjolnir because he must’ve been pretending that he couldn’t lift it. Even if he wasn’t pretending that he could lift Mjolnir, the very fact that he probably thought that he wasn’t worthy of the hammer made him worthy of its powers. And that’s why he eventually became worthy of it in the events of Endgame, where he displayed the ability to wield Thor’s powers.

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Then there’s the fact that neither Thor nor Steve Rogers was ever shown lifting the hammer off the ground when they were trying to prove themselves worthy. In the first Thor movie, the hammer came to Thor when it deemed him worthy as he was dying. Meanwhile, in Endgame, we never saw Captain America lifting the hammer off the ground, but we did see it slowly floating without any indication that Rogers was picking it up.

What that could mean is that Mjolnir probably chooses whoever is worthy instead of allowing the person to lift it off the ground. The very act of a person lifting it off the ground means that he believes himself to be worthy of Mjolnir’s powers, but that hasn’t exactly worked throughout the entire MCU. Instead, it has always been Mjolnir that deemed a person worthy or not.

And if the description on the replica helmet is true, that means that the shards of Mjolnir pieced themselves back together and came to Jane Foster after deeming her to be worthy. This seems to be consistent with how Thor and Captain America were deemed worthy by Mjolnir because the hammer also came to them when they needed it most. And being the unassuming woman that she is, Jane never thought that she was worthy, but the hammer chose her anyway.

When Will Jane Foster Become Mighty Thor?

All that said, we don’t know exactly when Jane Foster will become the Mighty Thor because the timeline after Endgame seems to be a bit too jumbled at the moment. But what we do know is that she became the Mighty Thor sometime after the events of Endgame, as Thor had already left Earth to go on adventures with the Guardians of the Galaxy.

Jane must have been chosen by the hammer shortly after Thor left the planet and sometime before Gorr became an imminent threat to gods all over the galaxy. And it might be possible that she has been the Mighty Thor longer than what people might think, considering that the trailer does show that she has already adapted well enough to her powers.

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