| Issue | #19 |
| Published | October 1990 |
| Frequency | monthly |
| Cover Price | 1.00 USD; 1.25 CAD |
| Pages | 36 |
| Editing | Andrew Helfer; Kevin Dooley (assistant) |
| Characters | Captain Atom; Crimson Fox; Metamorpho; Flash [Wally West]; Rocket Red [Dmitri]; Powergirl; Blue Jay; Elongated Man [Ralph Dibny]; The Extremists [Lord Havok; Gorgon; Tracer; Dr. Diehard; Dreamslayer] |
| Synopsis | The JLE confronts the Extremists. |
| Genre | Superhero |
| Pencils | Bart Sears (signed) |
| Inks | Bruce Patterson (signed) |
| Colors | Bob LeRose |
| Synopsis | Ad for game from Taito America Corporation. |
| Letters | typeset |
| Notes | inside front cover |
| Characters | Captain Atom; Crimson Fox; Metamorpho; Flash [Wally West]; Rocket Red [Dmitri]; Powergirl; Blue Jay; Elongated Man [Ralph Dibny]; The Extremists [Lord Havok; Gorgon; Tracer; Dr. Diehard; Dreamslayer]; Silver Sorceress; Uncle Mitch Wacky; Carny; Max Lord; J'onn J'onzz; Sue Dibny; Dr. Light; Catherine Cobert |
| Synopsis | Uncle Mitch destroys his creations, The Extremists, and the Silver Sorceress completes their defeat. |
| Genre | Superhero |
| Script | Keith Giffen (plot); Gerard Jones (script) |
| Pencils | Keith Giffen (pencil layouts); Bart Sears (pencils) |
| Inks | Randy Elliott |
| Colors | Gene D'Angelo |
| Letters | Bob Lappan |
| Notes | The Extremist Vector Part Five |
| Synopsis | Ad for tv show on CBS network. |
| Letters | typeset |
| Notes | between pages 4-5 of story |
| Characters | Dora; Hairy Harry; Neil; Paul; Dr. Standley; Hairy Harry |
| Synopsis | The kids return with a plant specimen to discover that the ape has beat them back with some, and with some Capri Sun to boot. |
| Notes | Comic-style ad. Between pages 4-5 of story. |
| Synopsis | Ad for game from Capcom. |
| Pencils | ? (photo) |
| Inks | ? (photo) |
| Colors | ? (photo) |
| Letters | typeset |
| Notes | between pages 48-9 of story |
| Synopsis | Ad for game from TSR, Inc. |
| Letters | typeset |
| Notes | between pages 8-9 of story |
| Synopsis | Ad for football cards from Fleer. |
| Pencils | ? (photo) |
| Inks | ? (photo) |
| Colors | ? (photo) |
| Letters | typeset |
| Notes | between pages 16-17 of story |
| Synopsis | Ad for airplane model by Ertl Company. |
| Pencils | ? (photo) |
| Inks | ? (photo) |
| Colors | ? (photo) |
| Letters | typeset |
| Notes | between pages 16-17 of story |
| Synopsis | Ad for Game From Fujisankei Communications Inc. (FCI). |
| Letters | typeset |
| Notes | between pages 20-21 of story |
| Synopsis | Ad for card game from MVP Sportscards. |
| Letters | typeset |
| Notes | between pages 20-21 of story |
| Synopsis | Letters from: Mark Oldham, Chris Turner, Jacques Viau, Omar Thompson, Johnny Lam, M. Namburi, Health Peek, and Robert Knuist, with replies. |
| Script | Kevin Dooley |
| Letters | typeset |
| Synopsis | House for next month's DC comics. |
| Characters | Quaid [Arnold Schwarzenegger] |
| Synopsis | Ad for game from Acclaim Entertainment, Inc. |
| Pencils | ? (photo) |
| Inks | ? (photo) |
| Colors | ? (photo) |
| Letters | typeset |
| Notes | inside back cover |
| Characters | Lucky |
| Synopsis | Ad for cereal from General Mills. |
| Letters | typeset |
| Notes | Ad is a fold-in activity, on back cover. |