| Issue | #3 |
| Published | May 1941 |
| Cover Price | 0.10 USD |
| Pages | 68 |
| Editing | Victor Fox (credited); W. W. Scott (actual) |
| Notes | Per Bob Kanigher, W.W. Scott edited his Blue Beetle story |
| Notes | Per Bob Kanigher, W.W. Scott edited his Blue Beetle story |
| Characters | Blue Beetle; Dr. Krako (first appearance; villain; death); Monk (first appearance; villain) |
| Genre | superhero |
| Script | Bob Kanigher |
| Pencils | ? (Charles Nicholas) |
| Notes | Kanigher's first comic book story as indentified in "Blue Beetle Companion" (2007) by Christopher Irving. Story written in July 1940. |
| Characters | Samson; Professor Zarr (first appearance; villain; death) |
| Pencils | Alex Blum? |
| Inks | Alex Blum? |
| Characters | Dr. Drool (villain) |
| Pencils | ? (Basil Berold) |
| Script | Nathaniel Nitkin [as N. N. Nathaniel] |
| Letters | typeset |
| Characters | Samson; Dr. Kalt (first appearance; villain; death) |
| Pencils | Alex Blum? |
| Inks | Alex Blum? |