| Issue | #18 |
| Published | April 1, 1944 |
| Cover Price | 0.10 USD |
| Pages | 52 |
| Editing | J. B. Magill |
| Characters | Captain Marvel, Jr. [Freddy Freeman] |
| Genre | superhero |
| Pencils | Mac Raboy |
| Inks | Mac Raboy |
| Characters | Captain Marvel, Jr. [Freddy Freeman]; Prof. Vultur (first appearance; villain) |
| Genre | superhero |
| Pencils | Mac Raboy |
| Inks | Mac Raboy |
| Genre | Gags |
| Script | Art Helfant |
| Pencils | Art Helfant |
| Inks | Art Helfant |
| Characters | Captain Marvel, Jr. [Freddy Freeman] |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | Mac Raboy |
| Genre | humor |
| Script | Sid Lazarus |
| Pencils | Sid Lazarus |
| Inks | Sid Lazarus |
| Characters | Captain Marvel, Jr. [Freddy Freeman]; Sivana (villain) |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | Al Carreno? |
| Inks | Al Carreno? |
| Notes | contents page title |
| Script | Arthur Lane |
| Letters | typeset |
| Characters | Captain Marvel, Jr. [Freddy Freeman] |
| Genre | superhero |
| Pencils | Mac Raboy |
| Inks | Mac Raboy |
| Notes | paper-drive feature |
| Characters | Captain Marvel, Jr. [Freddy Freeman] |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | Al Carreno? |
| Inks | Al Carreno? |
| Notes | Cap Jr. punches with 1,000 horsepower |