Hafnium
6 appearances on record
| Source | Claim | |
|---|---|---|
| This record Profile | All-New Official Handbook of the Marvel Universe A to Z #4 | 2006-04 |
Two records, shown side by side. A dispute is information, not an error.
| Issue | Date |
|---|---|
| Captain Tootsie #2 | 1950-12 |
| Savage Dragon #241 | 2019-01 |
| Savage Dragon #242 | 2019-02 |
| Savage Dragon #244 | 2019-05 |
| Savage Dragon #250 | 2020-07 |
| Super Freaks #[nn] | 2022-06 |
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