The first three films from the action series featuring an ensemble cast which includes Sylvester Stallone, Jason Statham, Jet Li and Dolph Lundgren.
Australia is in the same Blu Ray region as the UK so there should not be any issues playing these in a locally sourced region locked player.
'The Expendables' (2010)
In 'The Expendables 2' (2012)
In 'The Expendables 3' (2014)