Super-Assassin Blok agrees to help Timber Wolf and Light Lass find the Dark Man, who is holding several Legionnaires captive.
Characters: Legion of Super-Heroes [Shadow Lass; Princess Projectra; Colossal Boy; Shrinking Violet; Mon-El; Wildfire; Timber Wolf; Lightning Lad; Saturn Girl; Light Lass]; Dark Man; Fatal Five [Tharok; Emerald Empress; Mano; Persuader; Validus]; Marte Ida Allon; Wynn Allon; League of Super-Assassins [Silver Slasher; Titania; Blok; Mist Master; Lazon]
Script: Gerry Conway
Pencils: Jim Janes
Inks: Frank Chiaramonte
Colors: Gene D'Angelo
Letters: Milt Snapinn