| Marvel Age Introductions by On-Sale Date |
| 1966 | DEC 1 | THR137A | Mighty Thor | [INTROUlik][Warriors Three][Sif] |
| 1967 | JAN 3 | THR138A | Mighty Thor | [][Warriors Three][Sif][Ulik] |
| 1967 | FEB 2 | THR139A | Mighty Thor | [][Warriors Three][Sif][Ulik] |
| 1968 | FEB 1 | THR151A | Mighty Thor | [][Loki][Destroyer][Karnilla][Ulik][Sif] |
| 1968 | FEB 29 | THR152A | Mighty Thor | [][Loki][]Destroyer[Ulik][Sif] |
| 1968 | APR 2 | THR153 | Mighty Thor | [][Loki][Ulik][Sif] |
| 1968 | MAY 2 | THR154 | Mighty Thor | [Mangog][Loki][Ulik][Hela][Karnilla] |
| 1969 | DEC 9 | THR173 | Mighty Thor | [Loki][Ulik][Circus of Crime•COCROS•Ringmaster • Clown • Princess of Python • Great Gambonnos • Human Cannonball • Mike the Strong Man][] |