If you are looking for the actual subtitle file, you can generally find it on subtitle repository sites by searching for the exact string: Re-Kill 2015 720p WEB-DL X264 AC3-EVO .
is the name of the release group that encoded and uploaded this specific version of the movie. subtitle Re-Kill 2015 720p WEB-DL X264 AC3-EVOR...
The term "" in this context usually refers to the release group or a specific part of a multi-file download. In the world of digital media releases: If you are looking for the actual subtitle
The full title of the file you are looking for is typically: subtitle Re-Kill 2015 720p WEB-DL X264 AC3-EVOR...