Detective Comics #521 (DC, 1982 — Cover A)

Catwoman, learning that Bruce Wayne has come to love Vicki Vale in her absence, goes out for vengeance on her rival. A newspaper story on computer crime Oliver Queen is working on vanishes from his computer terminal at the Daily Star. In its place is the talking image of Hi-Tek, who tells Oliver that he deleted the story rather than have his secrets exposed. Learning the address of the firm from which the Star rents computer space to store its data, Oliver Queen becomes Green Arrow and there confronts Hi-Tek's image, as well as an exploding robot that knocks him out.