Martinez is determined to play in the club's Europa Conference League semi final second leg.
Despite being 4-2 down against Olympiacos on aggregate after the home leg, Villa believe they can turn around the tie.
Advertisement
Advertisement
Emery said: He's with us today. He was injured last week in the match against Chelsea 10 days ago.
Before the game I will speak with him and the doctor to see if he is 100 per cent fit to play.
But I believe in (Robin) Olsen and I'm building the team not just with the players in the starting XI. If we did that we would be finished now because we've had a lot of players injured.
If Martinez is available 100 per cent he will play but if not then Olsen will play."