If you are looking for actual subtitle files (SRT) to watch the movie, reputable platforms include:
The film frequently features visible boom mics and actors looking at the camera, which pairs with the subtitle humor to remind the viewer they are watching a "poorly made" film. Where to Find Subtitles subtitle Black Dynamite
The boy looks at him and speaks in Vietnamese. While the audience sees the original dialogue, the "subtitle" doesn't appear on screen; instead, Black Dynamite vocalizes his own interpretation of the translation. If you are looking for actual subtitle files