It’s been rumored for months that Ubisoft was working on HD collections of their Splinter Cell and Prince of Persia  games for the PS3, now it appears NetherRealm Studios’ Mortal Kombat will also be receiving an HD upgrade.  
                                        
According to a source in Europe the Prince of Persia HD collection will be in 3D and will go on sell this November 4th followed by the Mortal Kombat collection on November 18th.  Neither Ubisoft nor NetherRealm Studios has made an official announcement regarding the rumors.