Jeremy Renner was flanked by security on the set of "The Bourne Legacy" ... just a few weeks after that crazy ax brawl in Thailand.
Renner looked unscathed and unfazed by the bizarre incident -- where Jeremy and some buddies threw down with six bar employees ... one of whom busted out a homemade ax and slashed one of Jeremy's friends.
Jeremy managed to escape serious injury ... and returned to Manila where he's shooting the 'Bourne' flick.
Back at Work After Ax Brawl
1/25/2012 6:05 AM PST BY TMZ STAFF
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