Hmmmm you can imagine the ideas session:
Ok we need women, erm swords or guns ah let's have both.
What about costume?
Wellllllll we had this idea for a helicopter scene which will really eat into the budget so lets keep costume to a minimum.
Ok so what's the plot?
As I said women plus minimal costume, do you really think we need a plot?
If you can fill the unforgiving minute,
With sixty seconds worth of distance run,
Yours is the Earth and everything that's in it,
And - which is more - you'll be a man my son.