The estate of Superman creator Joseph Schuster is suing Warner Bros. Discovery and DC Comics alleging that its planned release some key territories is illegal.

The estate of Joe Shuster sued DC Comics, seeking to invalidate the company's Superman copyrights in the U.K., Canada, Australia and Ireland.

Now that the DC Universe is underway thanks to the release of Creature Commandos Season 1 to Max subscription holders (and yes, Season 2 is on the way), the next step for this franchise is to release its first movie.