Superboy & the Legion of Super-Heroes #250

When Chameleon Boy reveals that Ultra Boy was framed for the murder of An Ryd, the Legion is thrown into chaos—just as a colossal entity known as Omega emerges, declaring itself the living manifestation of universal hatred. With time running out and trust among the heroes fraying, the Legion must confront not just an unstoppable force, but the darker impulses within themselves.

In "This Is the Day the Universe Dies! Chapter Two: Madman in Our Midst!", the Legion of Super-Heroes faces a chilling revelation: Brainiac 5, their trusted ally, is the mind behind Omega and the architect of Ultra Boy’s downfall. With the truth exposed and their friend imprisoned, the team braces for a final confrontation against the unstoppable force they helped create.