Cobalt Blue
23 appearances on record
| Source | Claim | |
|---|---|---|
| This record | Flash #149 | 1999-06 |
Two records, shown side by side. A dispute is information, not an error.
Related identities: Malcolm Thawne.
| Issue | Date |
|---|---|
| Adventure Comics #306 | 1963-03 |
| Superman's Pal, Jimmy Olsen #72 | 1963-10 |
| Limited Collectors' Edition #C-49 | 1976-10 |
| All New Collectors' Edition #C-55 | 1978-03 |
| The Legion of Super-Heroes #300 | 1983-06 |
| Adventure Comics #500 | 1983-06 |
| The Best of DC #44 | 1984-01 |
| Legion of Substitute Heroes Special #1 | 1985-07 |
| Who's Who: The Definitive Directory of the DC Universe #13 | 1986-03 |
| Who's Who: The Definitive Directory of the DC Universe #16 | 1986-06 |
| Who's Who: The Definitive Directory of the DC Universe #22 | 1986-12 |
| Comics Scene #2 / 13 | 1988-02 |
| Legion of Super-Heroes #34 | 1992-10 |
| Legion of Super-Heroes #54 | 1994-02 |
| Legion of Super-Heroes #57 | 1994-05 |
| Legion of Super-Heroes #58 | 1994-06 |
| Legion of Super-Heroes #59 | 1994-07 |
| Valor #22 | 1994-08 |
| Superman: The Amazing Transformations of Jimmy Olsen #[nn] | 2007-09 |
| The Brave and the Bold #35 | 2010-08 |
| Adventure Comics #527 | 2011-08 |
| Detective Comics #1078 | 2024-01 |
| Marvel / DC: Spider-Man / Superman #1 | 2026-06 |
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