| 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 |
|---|---|---|---|---|
| Supreme Power, Vol. 1 | 13 | DIC | 2004 | |
| Doctor Spectrum | 4 | ENE | 2005 | |
| Doctor Spectrum | 5 | FEB | 2005 | |
| Supreme Power, Vol. 1 | 14 | FEB | 2005 | |
| Doctor Spectrum | 6 | MAR | 2005 | |
| Supreme Power, Vol. 1 | 15 | ABR | 2005 | |
| Supreme Power, Vol. 1 | 16 | MAY | 2005 | |
| Supreme Power, Vol. 1 | 17 | AGO | 2005 | |
| Supreme Power, Vol. 1 | 18 | OCT | 2005 | |
| Supreme Power: Hyperion | 2 | DIC | 2005 | |
| Squadron Supreme: Saga | 1 | FEB | 2006 | |
| Supreme Power: Hyperion | 5 | MAR | 2006 | |
| Squadron Supreme, Vol. 2 | 1 | MAY | 2006 | |
| Ultimate Power | 1 | DIC | 2006 | |
| Ultimate Power | 2 | ENE | 2007 | |
| Ultimate Power | 3 | FEB | 2007 | |
| Ultimate Power | 4 | JUN | 2007 | |
| Ultimate Power | 5 | JUN | 2007 | |
| Ultimate Power | 6 | SEP | 2007 | |
| Ultimate Power | 7 | OCT | 2007 |
| Primero | Anterior | 5- | 2 | 5+ | Siguiente | Último |