| Issue | #31 |
| Published | February 1942 |
| Cover Price | 0.10 USD |
| Pages | 68 |
| Editing | Victor Fox |
| Characters | Blue Beetle [Dan Garrett] |
| Synopsis | Final issue. |
| Characters | Blue Beetle [Dan Garrett]; Lee So (first appearance; villain) |
| Pencils | ? (Charles Nicholas) |
| Notes | next app. in BLUE BEETLE #12 |
| Characters | Private O'Hara; Betty Smythe (first appearance); Nazis (villains) |
| Notes | last appearance |
| Script | Gene Rider |
| Letters | typeset |
| Characters | Mortimer Wicket |
| Pencils | Jack Camden |
| Inks | Jack Camden |
| Notes | last appearance |
| Characters | Green Mask [Michael Shelby]; The Hooded Men (first appearance; villains); their leader (first appearance; villain; death) |
| Pencils | ? (Walter Frame) |
| Notes | last appearance of original Green Mask and Domino; new Green Mask 1st app. in GREEN MASK #10 |
| Characters | Wraith [Gary Kennedy]; Roarke (first appearance; villain) |
| Pencils | ? (Paul Develin) |
| Notes | last appearance |
| Characters | Lynx [Jim]; Bond (first appearance; villain) |
| Pencils | ? (Norton Kingsley) |
| Notes | last appearance |
| Characters | Raymond (first appearance; villain) |
| Pencils | Pierce Rice? |
| Notes | last appearance |