Mubarak and Alhassan Wakaso alongside Jordan Ayew were together for a work out session on Tuesday.
The trio returned to Ghana following the completion of the 2017-18 season across Europe.
And Mubarak who is set to join the Black Stars for their international friendly match against Iceland on June 7, reunited with Alhassan and Ayew for the exercise.
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Mubarak played for Deportivo Alaves last season while Alhassan was on the books of Vitoria Guimaraes.
Jordan Ayew was in action for relegated Swansea City where he scored 11 goals in 44 games.
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