Nitro (Robert Hunter)
Nitro (Robert Hunter) appears in 23 issues in grailworth's catalog, and was first published in 1974. First appearance: Captain Marvel #34 (1968), cover dated 1974.
First appearance
Every appearance we value
Captain Marvel (1968) 1 issue
Civil War (2006) 1 issue
Civil War Chronicles (2007) 2 issues
Civil War: Unmasked (2026) 1 issue
Daredevil (1998) 1 issue
Iron Man (1998) 1 issue
Marvel Team-Up (1972) 1 issue
New Mutants (1983) 2 issues
Omega the Unknown (1976) 1 issue
Spectacular Spider-Man (1976) 2 issues
Spider-Man (1990) 1 issue
Sub-Mariner (2007) 3 issues
Wolverine (2003) 1 issue
Character appearances from the Grand Comics Database, CC BY-SA 4.0.