Story: "The Janus Directive, Part 1: Knight Kill" (24 Pages)

Credits:

Paul Kupperberg (plot, script)
Steve Erwin (pencils)
Al Vey (inks)
Agustin Mas (letters)
Julianna Ferriter (colors)
Jonathan Peterson (edits)

Feature Characters:

Harry Stein
Harvey Bullock (both in between Suicide Squad Vol. 1 #25 and #27)
O'Connell
Checkmate Knight Ray Carson (first appearance)

Supporting Characters:

B.J.
Rick (Pawn-One)
Phil (a Checkmate helicopter pilot)
Valentina Vostok (last in Invasion! #3)

Villains:

Bishop (Jaques Reynard)
Mr. Warwick (first appearance; an assassin)
Salvadore "Crazy Horse" Sharpo (first appearance; a mobster)
Danelli

Guest Apperances:

Amanda Waller
Bronze Tiger (both in between Suicide Squad Vol. 1 #26 and #27)
Bridgette D'Arbo (last in ???; next in Suicide Squad Vol. 1 #27)