Comic book lore refers to the rich background and history surrounding characters, storylines, and universes within comic books. This lore includes the origins of superheroes like Superman and Spider-Man, their relationships with other characters, and significant events that shape their worlds. It often spans multiple issues, series, and even different publishers, creating a complex web of narratives. Fans of comic book lore enjoy exploring these interconnected stories, which can include alternate realities, reboots, and crossovers. This depth adds layers to the reading experience, allowing for deeper engagement with beloved characters and their adventures, such as those found in Marvel and DC Comics.