| Colecciones Españolas | Colecciones USA | Personajes | Autores | Comics Españoles | Comics USA | Sagas |
| Apariciones de Havok (Alex Summers): 540 |
| Título Colección | Número | Variante | Mes | Año |
|---|---|---|---|---|
| The Defenders, Vol. 1 | 63 | SEP | 1978 | |
| The Defenders, Vol. 1 | 65 | NOV | 1978 | |
| Uncanny X-Men, Vol. 1 | 119 | MAR | 1979 | |
| Uncanny X-Men, Vol. 1 | 122 | JUN | 1979 | |
| Uncanny X-Men, Vol. 1 | 125 | SEP | 1979 | |
| Uncanny X-Men, Vol. 1 | 126 | OCT | 1979 | |
| Uncanny X-Men, Vol. 1 | 127 | NOV | 1979 | |
| Uncanny X-Men, Vol. 1 | 128 | DIC | 1979 | |
| Uncanny X-Men, Vol. 1 | 129 | ENE | 1980 | |
| Uncanny X-Men, Vol. 1 | 145 | MAY | 1981 | |
| Uncanny X-Men, Vol. 1 | 146 | JUN | 1981 | |
| What If, Vol. 1 | 27 | JUL | 1981 | |
| Marvel Super-Heroes, Vol. 1 | 99 | JUL | 1981 | |
| Uncanny X-Men, Vol. 1 | 147 | JUL | 1981 | |
| Uncanny X-Men, Vol. 1 | 163 | NOV | 1982 | |
| Special Edition X-Men | 0 | FEB | 1983 | |
| Official Handbook of the Marvel Universe | 5 | MAY | 1983 | |
| Uncanny X-Men, Vol. 1 | 175 | NOV | 1983 | |
| X-Men Classics | 1 | DIC | 1983 | |
| Official Handbook of the Marvel Universe | 12 | DIC | 1983 |
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