That is really hard to say. There are so many styles and sounds out there. There are a few Kontakt libraries with "Cinematic Guitars" in their titles but they are more effects and soundscapes and less recognizable guitars. You can also try to use a simple clean guitar and "fx" it to your needs. There are so many guitar libs and so many styles it really is hard to say. The various Orange Tree guitar libs for Kontakt have a good builtin variety of open sounding "snapshots" than can be useful for soundscapes.
