In War of the Realms (2019) #2
Now recovered from her cancer and fully back to work, Jane Foster is swept into the war for Midgard and Asgard when Malekith and his hordes take New York. Teaming up with Valkyrie Brunnhilde, Foster defended the Realms as Frigga's proxy All-Mother, and later returned to her Thor persona in the show-stopping event finale.