Spenser, of course, isn’t going to get murdered, although it’s not easy to take on multiple dudes with machetes. So the scene features the actors working his way though some wildly complicated movies, including stabs and punches as he works to diffuse the situation. Apparently, as cool as it looks onscreen, the whole scene wasn’t really rehearsed.
Article source: https://www.cinemablend.com/news/2491694/mark-wahlberg-reveals-spenser-confidentials-most-fun-action-set-piece-wasnt-rehearsed