grailworth

Steamboat Bill (Captain Marvel's sidekick)

5 appearances · First published 1942

Steamboat Bill (Captain Marvel's sidekick) appears in 5 issues in grailworth's catalog, and was first published in 1942.

Every appearance we value

Captain Marvel Adventures (1941) 4 issues

Whiz Comics (1940) 1 issue

Character appearances from the Grand Comics Database, CC BY-SA 4.0.