The thing with Valkyries is that they are a group. So Brunhilde can come back and they can regrow the Valkyries without Jane having to give up the mantle.
It puts her in a better position than when she was Thor because unlike with Odinson, if/when the original comes back she can still be a Valkyrie.
Spoiler for War of the Realms #2:
spoilers:
It's just a shame that Brunhilde had to die for this to happen. She could have easily survived and Jane still be a Valkyrie |
end of spoilers