| Colecciones Españolas | Colecciones USA | Personajes | Autores | Comics Españoles | Comics USA | Sagas |
| Apariciones de (Niels The Cat: 14 |
| Nombre del Personaje: | Niels The Cat |
|
| Nombre Real: | ||
| Biografía: |
| Título Colección | Número | VAR-LGY | Mes | Año |
|---|---|---|---|---|
| Speedball the Masked Marvel | 1 | SEP | 1988 | |
| Speedball the Masked Marvel | 2 | OCT | 1988 | |
| Speedball the Masked Marvel | 3 | NOV | 1988 | |
| Speedball the Masked Marvel | 4 | DIC | 1988 | |
| Speedball the Masked Marvel | 5 | ENE | 1989 | |
| Speedball the Masked Marvel | 6 | FEB | 1989 | |
| Speedball the Masked Marvel | 7 | MAR | 1989 | |
| Speedball the Masked Marvel | 10 | JUN | 1989 | |
| The New Warriors, Vol. 1 | 3 | SEP | 1990 | |
| The New Warriors Annual | 1991 | 1 | JUL | 1991 |
| The New Warriors, Vol. 1 | 66 | DIC | 1995 | |
| The New Warriors, Vol. 1 | 67 | ENE | 1996 | |
| The New Warriors, Vol. 1 | 73 | JUL | 1996 | |
| All-New Invaders | 14 | MAR | 2015 |