Nu Boyana expands with new city streets sets Sofia-based studio is planning another 10 sound stages; future shoots to include Rambo 5 and Pope Joan....says information you can find HERE. This dovetails with recent reports that Stallone is currently developing a story/script that would take John Rambo into a completely new genre (i.e. RAMBO V, or whatever it's called, will not be a war movie). I loved RAMBO, and want to see more of this character...regardless of genre. Thanks to Crosby for the heads up about this.