The DC Extended Universe (DCEU) is a media franchise and shared universe centered around a series of superhero films produced by Warner Bros. It features characters from DC Comics, including iconic figures like Superman, Batman, and Wonder Woman. The DCEU began with the release of Man of Steel in 2013 and has since expanded to include various films that explore interconnected storylines. The franchise aims to create a cohesive narrative across its films, often featuring crossovers and team-ups, such as in Justice League. The DCEU has received mixed reviews from critics but has garnered a dedicated fan base, contributing to its ongoing development and future projects.