You can rent or buy the digital version from the Google Play Store or Apple TV Store, which offer official Portuguese (BR) subtitles and interface support. Downloading Subtitles (SRT Files)
Ensure the subtitle file has the exact same name as your movie file (e.g., Sinister2.mp4 and Sinister2.srt ). Sinister 2 Legendas Portuguese (BR)
If you already have a digital copy of the film and need a standalone subtitle file, you can find user-contributed and official-rip subtitles on community databases: You can rent or buy the digital version
For watching (2015) with Brazilian Portuguese (PT-BR) subtitles, you have several reliable options depending on your location and preference for streaming or digital purchase. Streaming and Digital Purchase Streaming and Digital Purchase Sinister 2 - movie:
Sinister 2 - movie: where to watch stream online - JustWatch
The movie is available to stream on Prime Video and often through its dedicated channels like Lionsgate+ in Brazil.
Depending on your region, Netflix hosts the title with multiple subtitle tracks, typically including Portuguese.