Our only hope is BATTLE! If they set off their explosives, the eruptions will damage the upper world as well as yours! 
Modern Comics #57 is an issue of the series Modern Comics (Volume 1) with a cover date of January, 1947.
Synopsis for Blackhawk: "The City Under the Sea"
The Blackhawks discover a hidden civilization, of air-breathing humans, under a glass dome, at the bottom of the Southern Seas. Their ruler is a tyrant and picks a fight with Blackhawk, and loses. A rebellious faction seizes control of the Undersea City.
Appearing in Blackhawk: "The City Under the Sea"
Featured Characters:
Antagonists:
- tyrannical ruler of Undersea City (Dies)
- his troops
Other Characters:
- Professor, geologist
Locations:
- The Southern Sea
- several new islands, unstable and temporary
- Undersea City
Vehicles:
- Blackhawk Grumman XF5F Skyrockets
- Blackhawk new submarine plane
- designed by Blackhawk
- very versatile airlocks
Synopsis for Torchy: "The Big Game Hunter Gig"
Appearing in Torchy: "The Big Game Hunter Gig"
Featured Characters:
Synopsis for Ex-Private Dogtag: "The Bank Teller"
Appearing in Ex-Private Dogtag: "The Bank Teller"
Featured Characters:
Synopsis for Ezra: "The African Luck Charm"
Appearing in Ezra: "The African Luck Charm"
Featured Characters:
- Ezra Jones
Supporting Characters:
- Rollo Grant
- Myrna Moore
Synopsis for Will Bragg: "The Crooks and the Coat"
Appearing in Will Bragg: "The Crooks and the Coat"
Featured Characters:
- Will Bragg
Synopsis for Choo Choo: "Choo Choo Unmasks Hollywood"
Appearing in Choo Choo: "Choo Choo Unmasks Hollywood"
Featured Characters:
- Choo Choo LaMoe
Supporting Characters:
- Cherry Lane
Notes
- Published by Comic Magazines.
- Also appearing in this issue of Modern Comics were:
- Prudence by Michael Senich
- "Revenge" (text story)
See Also