Action Comics #475

In "The Super-Hero Who Refused to Hang Up His Boots!", Vartox grapples with the quiet dread of waning powers, watching Superman with a mix of admiration and unease. When Earth faces a new threat from Karb-brak, an alien whose very existence is allergic to superpowers, Vartox finds himself unexpectedly at the center of the chaos—though not for the reasons he expects.