The Amazing Spider-Man #278 (1986)
“If This Be Justice–“
Writer: Tom DeFalco
Artist: Mike Harris
Flash is in jail because he’s thought to be the Hobgoblin. A villain who calls himself the Scourge of the Underworld sneaks in and tries to kill him. Spider-Man intervenes but the Scourge gets away. Outside, he runs into Jean DeWolff’s brother Brian in his costumed identity of the Wraith and shoots him dead.