According to the official press release for the upcoming direct-to-video release of the animated feature Superman/Batman: Public Enemies:
The movie reunites the lead voices of Superman, Batman and Lex Luthor from the landmark Superman: The Animated Series and Batman: The Animated Series. Tim Daly (Superman: The Animated Series), Kevin Conroy (Batman: The Animated Series, Justice League) and Clancy Brown (The Shawshank Redemption, SpongeBob SquarePants) reprise their roles as Superman, Batman and Lex Luthor, respectively.
Also, one of the bonus features to be included on both the 2-disc special edition DVD and the Blu-Ray release is “Dinner with DC: With Special Guest Kevin Conroy”:
Reprising his role from Batman: The Animated Series, Kevin Conroy joins the crew for dinner to discuss their creative approach and what the Superman/Batman team-up means. The evening will be hosted by Voice Director Andrea Romano, Producer Bruce Timm and DC’s Gregory Noveck.
Superman/Batman: Public Enemies releases on September 29th.