film, he was forced to drop the idea of adapting Glen Murakami's story "White Christmas" in The New Batman Adventures episode "Holiday Knights", as it would have been required to have Nora dead, as in the original issue written by Murakami. It was the final Batman direct-to-video film to use cel animation. Reception Critical response Based on 13 reviews collected on Rotten Tomatoes, 92% of critics have given the film a positive review, with an average rating of 6.66/10. TV Guide praised the film for being "more enjoyable — and far less campy — than Joel Schumacher's first two live-action Batman movies." In addition, the magazine stated that "Though clearly aimed at kids, there's also plenty to keep adult viewers entertained, not the least of which are the amusingly curvaceous drawings of several dishy dames and the exaggerated muscularity of Batman & Robin." DVD Talk noted that the film was a solid adventure that played out like an extended episode of Batman: The Animated Series, also praising the character of Mr. Freeze, but critiqued the simplistic plotting and scripting. Release SubZero was originally slated for a release on July 15, 1997, and to be cross-promoted with Planet Hollywood and Six Flags Theme Parks, but due to the poor reception of Batman & Robin it was delayed and did not see release until March 17, 1998. Trailers for the film, narrated by the late Tony Jay, were featured on Warner Home Video's VHS releases in 1997 and 1998, including Eraser (1996), Batman & Robin, Selena (1997), and Warner Bros. Family Entertainment titles such as Space Jam, Free Willy 3: The Rescue, Wild America (1997), The Bugs Bunny/Road Runner Movie, and A Rat's Tale (1997). The film was included in the 2018 Blu-ray release of Batman The Complete Animated Series box set. Sequel After the success of this film, Warner Bros. greenlit the production of another film, entitled Batman: Arkham. Boyd Kirkland was attached to write and direct. The film would have Batman and Robin facing off against a collection of Arkham Asylum escapees, in addition to Batman finding himself falling in love with a new character, planned to be voiced by Angie Harmon. The main cast of Batman: The Animated Series was attached to reprise their roles. Steven E. Gordon also drew some art concept for the film. However, the film was finally canceled in favor of Batman Beyond: Return of