When does Todd McFarlane's Spawn return?

Todd McFarlane's Spawn, also known as Spawn: The Animated Series or simply Spawn, is an American adult animated superhero television series. It aired on HBO from 1997 through 1999 and reran on Cartoon Network's Toonami programming block in Japan. The series won an Emmy Award in 1999 for Outstanding Animation Program (Longer Than One Hour)