In order to ensure that players who don't wish to be fourth-walled are not put into a position where they can't say no, things like Star Wars or Indiana Jones would have to be knock-offs. If it were something like a Three Stooges movie where it's unlikely anyone would ever play from it, that would be alright, but anything mainstream and relatively modern that people might play from should be kept as a knock-off.
no subject
In order to ensure that players who don't wish to be fourth-walled are not put into a position where they can't say no, things like Star Wars or Indiana Jones would have to be knock-offs. If it were something like a Three Stooges movie where it's unlikely anyone would ever play from it, that would be alright, but anything mainstream and relatively modern that people might play from should be kept as a knock-off.