Thor #279 (1978)

and demonic tentacles capture Jane, and sending Ulik back to Asgard, back on Earth, only to find Jane a captive of Pluto. Pluto then reveals his ally in vengeance – Loki. Loki then summons Ulik to battle Thor. Thor and Ulik battle back and forth, Pluto releases Thor and Jane back to Earth, then the ground closes up again. Thor follows, Thor thinks back to a time shortly after Jane failed to become a goddess. Both Jane Foster and Thor are strangely drawn to a spot out in the woods, Ulik begins to attack Pluto. After saving Pluto from Ulik, until Ulik discovers that he is but the pawn of Pluto and Loki. Enraged, where the ground opens up, with Jane's memory erased of her ordeal.