A sequel to the classic NES brawler River City Ransom has been officially announced by Combit Studios. The announcement states that the sequel will not be River City Ransom 2, but they are working closely with Million Co., RCR trademark holder and property licenser, to ensure that the sequel will be true to the spirit of the original and provide fans with the best experience.
The River City Ransom sequel is planned for an August 2014 release with crowd-funding launching for the game this summer. It is currently planned for release on Windows, but other platforms are being considered (likely depending on how much money is generated with their crowd-funding campaign).
Source: Combit Studios