Dark Nights: Metal

Dark Nights: Metal is a comic book storyline from DC Comics that introduces a hidden, shadowy universe beneath the core of the Batman mythos. It reveals a suite of evil, ancient Batmen called the "Nth Metal" Batmen, who have influenced history and threaten reality. Superman, Batman, and other heroes confront these dark forces, battling powerful entities and uncovering secrets about the universe’s origins. The story explores themes of chaos and order, ultimately emphasizing the resilience and unity of the heroes as they face unimaginable threats from a fractured multiverse.