That’s already awesome, but Warner Bros. also allows seemingly every DC comics hero and villain to appear in these movies, too. Batman is obviously a big character, and Superman, Wonder Woman, Green Lantern, and others have gotten some quick screentime during the main LEGO movies. The makers of these movies seem to have a ton of fun including DC characters and having some laughs at the expense of Warner’s DC films.
Article source: https://www.cinemablend.com/news/2466798/why-lego-batman-2-just-be-a-full-on-lego-justice-league-movie