Adventure Comics 366 (Mar 1968) VG- (3.5)

The Fight for the Championship of the Universe!

Script: Jim Shooter

Pencils: Jim Shooter (layouts only); Curt Swan

Inks: George Klein

Letters: Morris Waldinger (page 1 only?); Gaspar Saladino

Characters: Legion of Super-Heroes [Cosmic Boy; Karate Kid; Superboy; Brainiac 5]; Shadow Lass; Fatal Five [Validus; Emerald Empress; Tharok; Persuader; Mano]

Synopsis: The Legion discovers that the Fatal Five were behind the belligerence of Talok VIII, while the Fatal Five head to Earth and its Universal Weapons Control Panel. But the Fatal Five discover they need a third key held at Legion Headquarters to operate the weapon. By the time they get there it is being defended by the returned Legionnaires.