Although Brunhilde did not respond to the summons, Valtrauta did well in her stead...
Thor #312 Oct 1981
"Baptism of Fire!"
The nine Valkyries assemble before Odin and he explains their mission:
they were created to bring the worthy dead to the Halls of Valhalla but now Hela, Goddess
of Death, has invaded and annexed Valhalla to her lands—and their mission is to get it back.
The Valkyries ride and when they try to enter Niffleheim
they find themselves riding through a wall of fire guarded by demons.
They fight but are overwhelmed by the demons’ numbers so Valtrauta orders them to bathe in
the enchanted waters which allows them to pass unharmed through the wall of flames and to Valhalla….
Script by Mark Gruenwald and Ralph Macchio,
pencils by Keith Pollard (layouts) and Gene Day (finished art),
inks by Gene Day