Supergirl, Vol. 2 #7C

This Meeting Will Come To Disorder! / Reflection of Murder!
"This Meeting Will Come to Disorder!": While Supergirl penetrates the Council's underwater installation, Lester Adams is tried by his fellow Council members via a teleconference hookup, judged guilty of failure in his part of their mission to steal components for a communications-controlling satellite, and is killed. Supergirl defeats the Council minions, Matrix-Prime, and Brains, and finds Adams's body, but has no idea who killed him. Later, at a jazz concert in Grant Park, Linda Danvers sees a blast of energy stab down at a trenchcoated figure, revealing her as Negative Woman. "Reflection of Murder!": Lois, Mark, and Jamie go searching for Kristin Cutler's killer.
Release Date: 1983