Low $1k
 | 
Mid $5k
 | 
High $33k
  • 1st appearance and origin of Thor and Mjolnir (Thor's hammer)
  • 1st team appearance of the Kronans, a race of aliens that Korg belongs to
Details
Publisher Marvel
Published August 1962
Written By Stan Lee (1922 - 2018)
Illustrated By Jack Kirby