The Mighty Thor: To Become An Immortal!
Volume 1 #136
Published January, 1967
Writers: Stan Lee
Pencilers: Jack Kirby
Inkers: Vince Colletta
Letterers: Art Simek
Appearing in "To Become an Immortal!" Featured Characters:
Thor Odinson
Heimdall
Odin
Sif
Supporting Characters:
Jane Foster
Keith Kincaid - first appearance
Villains:
The Unknown - first appearance