Originally posted by operator616
Thor #335.
Jane's spirit was merged with Sif's spirit (which would explain how Jane started acquiring Sif's characteristics such as capturing the troll king in Thor #238, or the time when Jane subconsciously tapped into Sif's innate time/space powers in Thor #244 to save Thor and the Warriors 3 from planet destruction, and so on) but Jane's body was trapped in Runestaff's pocket dimension ever since Jane reverted back to Sif in Thor #249 (although Sif was briefly transformed to Jane in Thor annual #9, she was quickly reverted back to yet again Sif in that same issue).Then in Thor #335, Tharnn was revealed to have absorbed the inhabitants of Runestaff's dimension (which would include Jane), and Jane's body was freed from him eventually. After which Sif and Jane became separate, each having bodies of their own.
Thanks.