Peter Parker, the Spectacular Spider-Man #020 (1978)
“Where Were You When the Lights Went Out?”
Writer: Bill Mantlo
Artist: Sal Buscema
Lightmaster attempts to reveal Hector as Spider-Man on national television. Spider-Man shows up and gives Hector back his amulets that he dropped, allowing him to change into White Tiger. And he reveals his identity on TV. There’s a fight, and the Lightmaster ends up overloading the city’s power and causing a blackout. Without light around, he’s unable to maintain his molecular structure and he disintegrates.