Take a look at "...the tragic and heroic story of 'Jane Foster'" in Marvel Comics' "Mighty Thor" #705, available March 21, 2018:
"...in the 'Death of Mighty Thor'...
"...the epic showdown years in the making finally explodes across the heavens...
"...as 'Thor' battles the unstoppable 'Mangog', with the fate of all 'Asgardia' hanging in the balance.
"Is Thor willing to pay the ultimate price in order to save the gods?
"The tragic and heroic story of 'Jane Foster' finally reaches its heart-rending zenith.
"You knew it was coming. 'The Death of Thor' is here..."
Click the images to enlarge and Sneak Peek "Thor: Ragnarok"...