In a world teetering on the brink of cosmic upheaval, the enigmatic Martian Manhunter faces a formidable threat that strikes at the heart of his very being. A-Mortal, an entity fueled by insatiable power, and the sinister Libra, a harbinger of chaos, launch a relentless assault on Martian Manhunter. As the battles intensify, a far greater menace emerges: the malevolent Darkseid, a being of unfathomable darkness. The cosmic forces collide in a cataclysmic clash that pushes Martian Manhunter to his limits. In a heart-wrenching confrontation, Darkseid delivers a fatal blow, leaving Earth without one of its mightiest protectors.