| Issue | #15 [v2#4] |
| Published | Winter 1945 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Victor Fox |
| Characters | Green Mask [Michael Shelby] |
| Letters | typeset |
| Characters | Green Mask [Michael Shelby] |
| Pencils | Jack Fisk |
| Notes | (title from cover); first line is ["Who would have thought that shy little Johnny Green..."] |
| Pencils | Sam Peel [or Sam Perl] |
| Characters | Green Mask [Michael Shelby]; Capt. Kidd (Villain) |
| Genre | Super Hero |
| Notes | (title from cover); first line is ["Little Johnny Green, whose fury against crime and injustice..."] |
| Letters | typeset |
| Characters | Green Mask [Michael Shelby] |
| Pencils | Hal George |