Peter Parker, the Spectacular Spider-Man #057 (1981)
“These Wings Enslaved!”
Writer: Roger Stern
Artist: Jim Shooter
Will o’ the Wisp a villain called Killer Shrike and makes him kidnap Marla Madison and take her to the Special Powers Lab of some factory. There, Will o’ the Wisp (through Killer Shrike) tells Marla who he is and asks for help. She uses the equipment there to help him pull his molecules together into the form of a man again. And then Will o’ the Wisp tells Spider-Man that this lab is where he was made and he must destroy it. And so he goes into the circuitry via his glowing ball form and blows up the place. Spider-Man gets everybody out of the building.