Story: "The Extremist Vector, Part Two: Conquest" (22 Pages)

Credits: Keith Giffen (plot, pencil layouts); Gerard Jones (script); Bart Sears (pencils); Randy Elliot (inks); Bob Lappan (letters); Gene D'Angelo (colors); Kevin Dooley (assistant edits); Andrew Helfer (edits)

Feature Characters: Captain Atom, Flash III, Elongated Man, Power Girl, Metamorpho, Rocket Red, Crimson Fox (Constance D'Aramis)

Guest Stars: Blue Jay (also in flashback preceding Justice League of America #87, and in flashback in between Justice League of America #87 and flashback in Justice League #2), Rocket Red Brigade

Supporting Characters: Sue Dibny, Catherine Cobert, Rosa Rubikskova; Power Girl's cat (formerly "the cat"; last in issue #13; next in Justice League Europe Annual #1)

Villains: Dreamslayer (also in flashback in between flashback in issue #18 and issue #15), Lord Havok II, Gorgon II, Tracer II, Doctor Diehard II (all five as the Extremists), Lord Havok, Gorgon, Tracer, Doctor Diehard (all four along with Dreamslayer as the original Extremists; all four die in flashback following flashback in issue #18)

Guest Appearances: Silver Sorceress, Wandjina, Captain Speed (mistakenly called Johnny Quick in this story; all three in flashback preceding Justice League of America #87, and in flashback in between Justice League of America #87 and flashback in Justice League #2), Bowman (first appearance; a member of the Assemblers; in flashback)