What is batman vs aliens?

Batman vs Aliens refers to a crossover comic series published by DC Comics and Dark Horse Comics, which pits the iconic superhero Batman against the extraterrestrial creatures known as the Xenomorphs from the Alien franchise. The first comic in the series, Batman/Aliens, was released in 1997 and followed Batman as he investigates the disappearance of a research team on a remote planet and ends up taking on the vicious alien creatures. The series continued with several more issues, including Batman/Aliens II and Batman versus Predator, featuring various battles between Batman and the Alien and Predator species. These comics combine the dark, gritty tone of the Batman universe with the sci-fi horror elements of the Alien franchise to create a unique and thrilling crossover experience for fans of both media.