The Marvel Super Heroes

The Mighty Thor #1 - Trapped by Loki; Vengeance of Loki; Defeat of Loki (1x1)

Air date: Sep 01, 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.