| Issue | #51 |
| Published | February 1944 |
| Cover Price | 0.10 |
| Editing | Will Lieberson* |
| Characters | Captain Marvel |
| Genre | superhero |
| Pencils | C. C. Beck |
| Inks | C. C. Beck |
| Letters | typeset |
| Characters | Captain Marvel [Billy Batson] |
| Genre | superhero |
| Pencils | C. C. Beck |
| Inks | C. C. Beck |
| Characters | Golden Arrow |
| Genre | western |
| Characters | Spy Smasher [Alan Armstrong] |
| Genre | spy; superhero |
| Characters | Lance O'Casey; Mike; King Pepo; Commander Sato-Sato (Villain; Intro; Death?) |
| Synopsis | While sailing at sea, Mike spots a seadragon, only to discover it is made of metal----and manned by the Japanese. |
| Genre | adventure |
| Notes | Story is also called "The Deadly Seadragons"; synopsis added by Craig Delich 1-31-08. |
| Reprinted | in Men of Mystery Comics (AC, 1999 series) #69 |
| Script | Rod Reed |
| Letters | Typeset |
| Genre | occult; superhero |