1966 The Mighty THOR Trapped by LOKI

1966 The Mighty Marvel Super Heroes Have Arrived. Mighty Thor TV Series
Mighty Thor (1966) The contemporary adventures of the Norse god of thunder and lightning.
Creator: Larry Lieber
Stars: Bernard Cowan, Don Mason, Claude Raehty
S1.E1 Trapped by Loki Episode aired Sep 4, 1966
Jack Creley in Mighty Thor (1966)
After years of imprisonment in Asgard, Loki escapes to Earth to gain his revenge on his half-brother, Thor. Once there, Loki learns that Thor lives among humans as one of them, Dr. Donald Blake.
Director: Shamus Culhane
Writers: Larry Lieber, Jack Kirby, Stan Lee
Stars: Bernard Cowan, Don Mason, Jack Creley