Low $12
 | 
Mid $45
 | 
High $155
  • 1st appearance of Sif in ongoing form, visually different than Sif from Journey Into Mystery #102 (1964)
  • 1st appearance of the Lurking Unknown, a Fear Lord
  • [December 2020 - Sif confirmed to reprise her role in Thor 4: Love & Thunder]
Details
Publisher Marvel
Published January 1967
Written By Stan Lee
Illustrated By Jack Kirby