| Cobalt Man Chronology |
| Marvel Age Introductions by On-Sale Date | ||||
| 1967 | FEB 14 | XMN031 | The X-Men | [XMROS•Professor X • Angel • Beast • Cyclops • Iceman • Marvel Girl] [Cobalt Man] [Iron Man][Candy Southern][The Juggernaut] |
| 1967 | MAY 9 | XMN034 | The X-Men | [XMROS•Angel • Beast • Cyclops • Iceman • Marvel Girl] [Mole Man][][Tyrannus][Cobalt Man] |