Killer Shark (Post-War Blackhawk villain)
Killer Shark (Post-War Blackhawk villain) appears in 6 issues in grailworth's catalog, and was first published in 1952. First appearance: Blackhawk #50 (1944), cover dated 1952.
First appearance
Every appearance we value
Blackhawk (1944) 4 issues
Blackhawk (1957) 1 issue
Character appearances from the Grand Comics Database, CC BY-SA 4.0.