| Colecciones Españolas | Colecciones USA | Personajes | Autores | Comics Españoles | Comics USA | Sagas |
| Apariciones de Professor X (Charles Francis Xavier): 1158 |
| Título Colección | Número | Variante | Mes | Año |
|---|---|---|---|---|
| X-Men Classic | 54 | DIC | 1990 | |
| Marvel Tales, Vol. 2 | 244 | DIC | 1990 | |
| X-Men Classic | 55 | ENE | 1991 | |
| What If, Vol. 2 | 23 | MAR | 1991 | |
| X-Men Classic | 57 | MAR | 1991 | |
| X-Men Classic | 58 | ABR | 1991 | |
| Uncanny X-Men, Vol. 1 | 275 | ABR | 1991 | |
| X-Men Classic | 59 | MAY | 1991 | |
| Uncanny X-Men, Vol. 1 | 276 | MAY | 1991 | |
| X-Men Classic | 60 | JUN | 1991 | |
| Uncanny X-Men, Vol. 1 | 277 | JUN | 1991 | |
| X-Men Classic | 61 | JUL | 1991 | |
| Uncanny X-Men, Vol. 1 | 278 | JUL | 1991 | |
| X-Men Classic | 62 | AGO | 1991 | |
| X-Factor, Vol. 1 | 69 | 69 | AGO | 1991 |
| Uncanny X-Men, Vol. 1 | 279 | AGO | 1991 | |
| X-Factor, Vol. 1 | 70 | 70 | SEP | 1991 |
| Marvel Comics Presents, Vol. 1 | 85 | SEP | 1991 | |
| Uncanny X-Men, Vol. 1 | 280 | SEP | 1991 | |
| X-Men, Vol. 1 | 1 | OCT | 1991 |
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