Ape City is in a panic. Word has spread of the capture of a talking human (Hal) and his bizarre alien companion (Sinestro). What's worse, a group of strange, scarred humans ("Mutants”) are spotted in The Forbidden Zone, being led by a strange-acting Cornelius, who's wearing a ring - a ring Sinestro has long been searching for.
BOOM! Studios and DC are proud to bring together two classic properties in an unprecedented crossover event. When the Forbidden Zone is thrown into chaos, Cornelius investigates and discovers an ancient ring, unlike anything the universe has ever seen. As its power echoes through the stars, the Guardians must reveal to their Lanterns a secret they had hoped would remain buried. With the Green Lantern Corps, led by Hal Jordan, racing to get to the source of this power before Sinestro can get...