| Issue | #15 |
| Published | October 1940 |
| Cover Price | 0.10 USD |
| Pages | 68 |
| Editing | Victor Fox |
| Characters | Blue Beetle [Dan Garrett] |
| Pencils | Charles Nicholas? |
| Inks | Charles Nicholas? |
| Characters | Blue Beetle [Dan Garrett]; Joan Mason (first appearance); Gimp (first appearance; villain); Moody (first appearance; villain) |
| Pencils | Charles Nicholas |
| Inks | Charles Nicholas |
| Notes | Blue Beetle wears yellow gloves, uses a gun on splash page. |
| Pencils | Dennis Neville? |
| Inks | Dennis Neville? |
| Notes | next app. in THE FLAME #2 |
| Characters | Earth (origin; theoretical); Rex Dexter (origin details; flashback); Dr Ramm (first appearance) |
| Script | Dick Briefer |
| Pencils | Dick Briefer |
| Inks | Dick Briefer |
| Characters | Green Mask [Michael Shelby]; Zinnotti (first appearance; villain); Prof. Stone (first appearance; villain) |
| Pencils | Walter Frehm |
| Inks | Walter Frehm |
| Characters | Billy Bounce (last appearance) |
| Script | Fred Schwab |
| Pencils | Fred Schwab |
| Inks | Fred Schwab |
| Letters | Fred Schwab |
| Script | Paul Ludwig |
| Letters | typeset |
| Characters | Chen Chang (villain); Alice Mason (first appearance) |
| Pencils | Munson Paddock [as Cecilia Munson] |
| Inks | Munson Paddock |
| Characters | Lt. Drake; The Skull (first appearance; villain; not the same villain as in Blue Beetle story in last issue) |
| Pencils | Klaus Nordling? |
| Inks | Klaus Nordling? |
| Characters | D-13 [Richard Anthony]; Numiak (first appearance); Russians (villains) |
| Script | Bob Powell |
| Pencils | Bob Powell |
| Inks | Bob Powell |
| Characters | The Phantom Abbot [Stock] (first appearance; villain) |
| Pencils | Pierce Rice? |
| Characters | Lynx [Jim]; James Hilton (first appearance; villain) |
| Pencils | ? (Godfrey Clarke) |
| Characters | Captain Savage |
| Pencils | Charles A. Winter? |
| Inks | Charles A. Winter? |