Mark Wahlberg Films 'Transformers 4' in Hong Kong with Nicola Peltz & Jack Reynor

Mark Wahlberg shows off his fake head wounds on the set of his upcoming action flick Transformers: Age Of Extinction on Sunday (October 20) in Hong Kong, China.

The 42-year-old actor was joined by his co-stars Nicola Peltz, Jack Reynor, Bingbing Li, and director of the film Michael Bay.

PHOTOS: Check out the latest pics of Mark Wahlberg

Transformers: Age of Extinction centers on “a mechanic and his daughter who make a discovery that brings down Autobots and Decepticons – and a paranoid government official – on them.”

15+ pictures inside of Mark Wahlberg and others on the set of Transformers 4…