A sequel was originally planned and was actually put into pre-production after Shuhei Yoshida left the studio that developed the original game. Sadly, it was cancelled for unknown reasons, with the team members going on to do different projects.
Dart wasbeing considered as a DLC fighter for PlayStation All-Stars Battle Royale, according to one of the game's modelers, who leaked a 3D model of Dart that he created on his online portfolio (after which his entire website was taken down). This would've been Dart's first appearance in a game in thirteen years. Ironically, this news dropped shortly after Yoshida said in a podcast interview with IGN during E3 that All-Stars didn't perform well enough to pursue any new DLC.note Though he did use the words "never say never" is regards to All-Stars future.