ON THE SPINNER RACKS Feb/Mar 1966

 THE FIRST UNCONSCIOUS THOR COVER

Art by Jack Kirby and Vince Colletta

Their 10th Thor cover collaboration

It was Thor's 76th appearance. 

Nurse Foster's 41st appearance.  
Odin's 36th appearance. 

Balder's 16th appearance. 

Heimdall's 13th appearance. 

Plus the first appearances of Pluto, Lord of the Netherworld and Hippolyta, Queen of the Amazons.

Ragnarok is explained for the first time in the 5 page Tales of Asgard back-up. Loki, of course, appears.

The art for this issue (and the previous 11 issues) was by Kirby/Colletta