Blu-Rays for £9.99 & £12.99 at Morrisons

I've found these at 2 Morrisons stires near me, but another store near me doesn't, so I assume that it is in limited stores only.

I have seen the following:

£9.99
Underworld
Brokeback Mountain
Hostage

£12.99
Underworld: Evolution
The Departed
Before the Devil Knows You're Dead
Luck Numbee Slevin