| Release: | Sep 1990 |
| Cover: | Sep 1990 |
The Extremist Vector, Part 4: The Happy Place
| Release: | Sep 1990 |
| Cover: | Sep 1990 |
Part 4 of 5, continued from the previous issue. Transported to the nuclear-ravaged homeworld of the Extremists, the members of the JLE become the pawns of sophisticated audioanimatronics and their evil leader in the futuristic amusement park called Wacky World. Continued next issue. Written by Keith Giffen and Gerard Jones, with art by Bart Sears and Randy Elliott. Cover by Sears and Jose Marzan, Jr. Cover price $1.00.
| Writer | Keith Giffen, Gerard Jones |
| Cover Penciller | Bart Sears |
| Cover Inker | Randy Elliott |
| Penciller | Bart Sears |
| Inker | Randy Elliott |
| Colorist | Gene D'Angelo |
| Letterer | Bob Lappan |
| Plotter | Keith Giffen |
| Scripter | Gerard Jones |
| Editor | Andrew Helfer |
| Flash | Wally West |
| Elongated Man | Ralph Dibny |
| Metamorpho | Rex Mason |
| Captain Atom | Nathaniel Adam |
| Power Girl | Karen Starr |
| Rocket Red | Dmitri Pushkin |
| Crimson Fox | Constance D'Aramis |
| Silver Sorceress | Laura Cynthia Neilsen |
| Mitch Wacky |
| Age | Modern Age |
|---|---|
| Format | Digital Comic |
| Series Group | JLA |
| Genre | Action | Adventure | Super-Heroes |
| No. of Pages | 32 |
| Country | USA |
| Language | English |