Superman #31 Cover D Ariel Olivetti Variant (DC K.O.)

SUPERMAN…MAN OF APOKOLIPS?! Superman and his allies have been thrown into a dangerous game to capture the Heart of Apokolips at the center of Earth. But what is the Heart of Apokolips? And how are its origins tied to Krypton?! And why doesn’t Darkseid’s Legion want Superman to find out?!