| Colecciones Españolas | Colecciones USA | Personajes | Autores | Comics Españoles | Comics USA | Sagas |
| Apariciones de (Dr. Spectrum (Tierra-31916) (Joe Ledger): 50 |
| Nombre del Personaje: | Dr. Spectrum (Tierra-31916) (Joe Ledger) |
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| Nombre Real: | ||
| Biografía: |
| Título Colección | Número | VAR-LGY | Mes | Año |
|---|---|---|---|---|
| The Defenders, Vol. 1 | 13 | MAY | 1974 | |
| The Defenders, Vol. 1 | 14 | JUL | 1974 | |
| The Defenders, Vol. 1 | 112 | OCT | 1982 | |
| The Defenders, Vol. 1 | 113 | NOV | 1982 | |
| The Defenders, Vol. 1 | 114 | DIC | 1982 | |
| Quasar | 54 | ENE | 1994 | |
| Avengers / Squadron Supreme '98 | 0 | SEP | 1998 | |
| Supreme Power, Vol. 1 | 1 | OCT | 2003 | |
| Supreme Power, Vol. 1 | 2 | NOV | 2003 | |
| Supreme Power, Vol. 1 | 5 | FEB | 2004 | |
| Supreme Power, Vol. 1 | 6 | MAR | 2004 | |
| Supreme Power, Vol. 1 | 7 | ABR | 2004 | |
| Supreme Power, Vol. 1 | 8 | MAY | 2004 | |
| Supreme Power, Vol. 1 | 9 | JUN | 2004 | |
| Supreme Power, Vol. 1 | 10 | JUL | 2004 | |
| Supreme Power, Vol. 1 | 11 | AGO | 2004 | |
| Doctor Spectrum | 1 | OCT | 2004 | |
| Supreme Power, Vol. 1 | 12 | OCT | 2004 | |
| Doctor Spectrum | 2 | NOV | 2004 | |
| Doctor Spectrum | 3 | DIC | 2004 |
| Primero | Anterior | 5- | 1 | 5+ | Siguiente | Último |