Tutte le apparizioni di Professor Harker
nella Serie Avengers (1963) (MARVEL COMICS)
7 apparizioni
| Serie | Albo | Storia | ||
|---|---|---|---|---|
| Avengers (1963) | 306 | 01 | There Is A Fire Down Below | |
| Avengers (1963) | 308 | 01 | Journey | |
| Avengers (1963) | 309 | 01 | To Find Olympia | |
| Avengers (1963) | 311 | 01 | The Weakest Point | |
| Avengers (1963) | 312 | 01 | Has The Whole World Gone Mad?!? | |
| Avengers (1963) | 314 | 01 | Along Came A Spider | |
| Avengers (1963) | 315 | 01 | Doomsday Plus One |