| Issue | V1#11 [11] |
| Published | June 1941 |
| Cover Price | 0.10 USD |
| Editing | John Reece? |
| Pencils | Alex Schomburg? |
| Inks | Alex Schomburg? |
| Characters | The Black Owl [Doug Danville]; The Eel (first appearance; villain) |
| Script | Otto Binder? |
| Pencils | Jack Binder |
| Inks | Jack Binder |
| Characters | Dr. Frost; The Leader (first appearance; villain; death) |
| Pencils | Ben Thompson |
| Inks | Ben Thompson |
| Pencils | Maurice Gutwirth? |
| Inks | Maurice Gutwirth? |
| Characters | Frankenstein; Bulldog [Denny Dunsan] (first appearance; origin; last name revealed in #14); Victor Frankenstein; Elizabeth |
| Script | Dick Briefer |
| Pencils | Dick Briefer |
| Inks | Dick Briefer |
| Notes | Dates in this story push earlier episodes pre-1931. |
| Characters | Green Lama [Jethro Dumont] |
| Script | Ken Crossen |
| Pencils | Charles Sultan |
| Inks | Charles Sultan |
| Characters | Voodini; The Great Oom (first appearance; villain) |
| Pencils | Jon Smalle |
| Inks | Jon Smalle |
| Script | Bert London |
| Letters | typeset |
| Characters | Twist Turner |
| Script | Four Roth Brothers (2 Roth Bros. to the 2nd power) |
| Pencils | Four Roth Brothers [Irving Roir; Al Ross; Ben Roth; Salo Roth] |
| Inks | Four Roth Brothers |
| Characters | Power Nelson; Herr Blitz (first appearance; villain) |
| Pencils | Jack Binder? |
| Inks | Jack Binder? |