Journey Into Mystery, Vol. 1 #103 (1964) 1st app. Enchantress (Amora), 1st app. Skurge the Executioner

"the Enchantress And the Executioner" / "Tales of Asgard: Thor's Mission To Mirmir!"
The Enchantress and the Executioner - Loki attempts to defeat Thor by employing the Enchantress, whose beauty is beyond description, and the Executioner, a ruthless warrior who would do anything for the Enchantress' love. But the plan fails, and Don Blake is still in love with Jane Foster, much to the chagrin of Odin.

Tales of Asgard: Thor's Mission to Mirmir - Thor travels to Mirmir on a mission from Odin, which ultimately results in the creation of mankind.
Release Date: 1964