As DC's most successful superhero, it's expected for Batman to take part in various comic book crossovers over the decades. Such comic events ranged from story arcs and series within DC Comics, as well as more ambitious crossovers with other publishing companies. It helps that, while best known for being a comparatively grounded character, the Dark Knight is one of the most creatively versatile heroes in the genre.
Source：https://www.cbr.com/best-batman-crossovers-ranked/
