U-boats
Used on 18 entries
Issues
- Sure-Fire Comics #1
- Our Flag Comics #3
- Thrilling Comics #1 (25)
- Action Comics #54
- All-Winners Comics #9
- Military Comics #26
- Jungle Comics #120
- Sea Devils #6
- Commando #708
- Commando #728
- Commando #1519
- Superman in Action Comics #1
- Marvel Masterworks: Golden Age Marvel Comics #3
- Superman: The War Years 1938-1945 #[nn]
- Commando #4883
- Superman: The Golden Age Omnibus #3
- Commando #5159
- Superman: The Golden Age #5