| Demonicus Chronology |
| Marvel Age Introductions by On-Sale Date | ||||
| 1964 | OCT 08 | STT128B | Strange Tales | [Doctor Strange] [Demonicus] |
| 1965 | FEB 11 | STT132B | Strange Tales | [Doctor Strange][Clea][Dormammu] [Baron Mordo][Eternity][Demonicus] |
| 1965 | NOV 11 | STT141B | Strange Tales | [Doctor Strange][Clea][Dormammu][Baron Mordo] [Demonicus] |
| 1965 | DEC 9 | STT142B | Strange Tales | [Doctor Strange] [Demonicus] |
| 1966 | JAN 11 | STT143B | Strange Tales | [Doctor Strange] [Demonicus] |