| Marvel Age Introductions by On-Sale Date |
| 1965 | AUG 10 | STT138B | Strange Tales | [Doctor Strange][Clea][Dormammu][Baron Mordo] [INTROEternity] |
| 1966 | APR 12 | STT146B | Strange Tales | [Doctor Strange][Clea][Dormammu][Baron Mordo] [Eternity] |
| 1968 | JUN 4 | DOC172 | Doctor Strange | [Clea][Dormammu][Eternity][Umar] |
| 1969 | FEB 4 | DOC180 | Doctor Strange | [Clea][Nightmare][Eternity] |
| 1969 | APR 3 | DOC181 | Doctor Strange | [Clea][Nightmare][Eternity] |
| 1969 | JUN 10 | DOC182 | Doctor Strange | [Clea][Nightmare][The Juggernaut][Eternity] |
| 1969 | AUG 5 | DOC183 | Doctor Strange | [Clea][Undying Ones][Eternity] |