Just been into the Asda at the Dome Doncaster and this was marked on the shelf as £3 reduced from £7. Quite a few other films were reduced too so this is not just a one off as they all had easy read stickers with the reduced price rather than on the DVD case itself.
This is the single disc version but still, a great price for a new movie and a quality one at that.
Ironically, I did my shopping and forgot to pick up a copy!!