DC Comics / Dark Horse Comics: Justice League #1

This 2017 collection kicks off a unique crossover between DC and Dark Horse, reprinting the first issues of the Justice League series that teamed up the iconic DC superheroes with characters from the Dark Horse universe. The story arc pits the League against a mysterious new threat that forces them to ally with unexpected heroes from another publisher's world, blending classic DC action with Dark Horse's darker storytelling style. It's a must-read for fans of both universes, showcasing a rare publishing collaboration that expands the Justice League's mythos.