The estate of Superman co-creator Joe Shuster sued DC Comics and Warner Bros. on Friday, seeking to invalidate the companies’ copyrights in several foreign markets. The suit revives a long-running dispute that was last addressed by the 9th Circuit Court of Appeal in 2013.

Before you get too excited about James Gunn’s Superman, there’s a new lawsuit against DC that could change things.

The estate of one of Superman's co-creators has filed a copyright lawsuit in a U.S. court against Warner Bros. Discovery ahead of the release of its new movie, "Superman," part of a planned reboot of the DC Comics superhero film franchise.