| Colecciones Españolas | Colecciones USA | Personajes | Autores | Comics Españoles | Comics USA | Sagas |
| Apariciones de Havok (Alex Summers): 540 |
| Título Colección | Número | Variante | Mes | Año |
|---|---|---|---|---|
| Uncanny X-Men, Vol. 1 | 54 | MAR | 1969 | |
| Uncanny X-Men, Vol. 1 | 55 | ABR | 1969 | |
| Uncanny X-Men, Vol. 1 | 56 | MAY | 1969 | |
| Uncanny X-Men, Vol. 1 | 57 | JUN | 1969 | |
| Uncanny X-Men, Vol. 1 | 58 | JUL | 1969 | |
| Uncanny X-Men, Vol. 1 | 59 | AGO | 1969 | |
| Uncanny X-Men, Vol. 1 | 60 | SEP | 1969 | |
| Uncanny X-Men, Vol. 1 | 61 | OCT | 1969 | |
| Uncanny X-Men, Vol. 1 | 62 | NOV | 1969 | |
| Uncanny X-Men, Vol. 1 | 65 | FEB | 1970 | |
| Uncanny X-Men, Vol. 1 | 66 | MAR | 1970 | |
| The Incredible Hulk, Vol. 1 | 150 | ABR | 1972 | |
| Captain America, Vol. 1 | 174 | 174 | JUN | 1974 |
| Giant-Size X-Men | 1 | AGO | 1975 | |
| Uncanny X-Men, Vol. 1 | 94 | AGO | 1975 | |
| Giant-Size X-Men | 2 | DIC | 1975 | |
| Uncanny X-Men, Vol. 1 | 97 | FEB | 1976 | |
| Uncanny X-Men, Vol. 1 | 104 | ABR | 1977 | |
| Marvel Team-Up, Vol. 1 | 69 | MAY | 1978 | |
| Marvel Team-Up, Vol. 1 | 70 | JUN | 1978 |
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