Nathan Fillion and the rest of the gang want to bring back 'Firefly' as an animated series, but without Joss Whedon at the helm.
Co-stars Gina Torres, Morena Baccarin, Sean Maher, Jewel Staite, and Summer Glau have all played a part in the mysterious stunt.
John Stewart's arrival will have a big impact on the DCU's debut Green Lantern.
The Warner Bros. and DC Studios CinemaCon presentation gave a new peek at DC's upcoming superhero movie.
