Batman #572

In "El mal está en todos," Canario Negro joins the Campeones de la Justicia after arriving on Earth-1 from Earth-2, bringing with him a mysterious new power: a sónico scream forged in his journey between worlds. As the team faces twisted, malevolent versions of themselves, Canario Negro must confront the unsettling truth that darkness may not be outside them—but within. Written by Denny O'Neil, with art by Dick Dillin and inks by Joe Giella, this 1971 tale unfolds with a chilling psychological edge, its cover by Carmine Infantino and Murphy Anderson capturing the eerie duality of the story.