During that epic 2019 crossover event, Jane joined the fight alongside Earth's other heroes when Malekith the Accursed launched an invasion, briefly became Asgard's All-Mother when Frigga was feared lost, and even became Thor again by picking up the version of Mjolnir from the Ultimate Universe (long story). With a second chance at life, Jane makes her cancer treatments a priority, and goes back and heals up while Odinson takes up Mjolnir and becomes Thor again. In the comics, Jane hesitates at the gates of Valhalla, not wanting her life to be over yet, until Thor and Odin combine forces to revive her. Jane seems pretty OK with the idea that she made it to Viking heaven, but that doesn't mean her story is at an end. The last time we saw Jane in Thor: Love and Thunder, she'd just arrived in Valhalla, where she was greeted happily by none other than Heimdall (Idris Elba), who's been living in paradise since his death in Avengers: Infinity War. So, here's where things may or may not diverge a little bit. This also meant that, in both cases, she died and went to Valhalla as an Asgardian hero. That meant making a choice between continuing to fight as Thor and continuing to fight her cancer, and in both cases Jane chose to pick up the hammer again, helping others instead of helping herself. Like the MCU version, comic book Jane picked up Mjolnir after she was diagnosed with cancer, and found that every time she turned back into her normal, human self, her cancer was getting worse.

In both versions, Jane's time as Thor was defined by a couple of things: Her seemingly natural knack for the role, and an illness that plagued her life back in the human world.

On the comics side, she picked up the hammer after Odinson lost his worthiness to wield it, becoming the reigning Thor in Marvel Comics for quite some time while original recipe Thor went out to find himself again. In the film version of things, Mjolnir calls to her during a time of great difficulty, and manages to reforge itself to help her out. By now, most people probably know the basic setup of Jane's transformation into a new Thor.

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