You can read the official 129-page screenplay (Blue Draft dated May 20, 2016), which includes scene descriptions and dialogue.
The film was released on Blu-ray in early 2018 with the following specifications: 1080p (1920 x 1080 progressive scan). Aspect Ratio: 2.40:1. Thor - Ragnarok [HD] (2017) Bluray 1080p
A downloadable PDF version of the script is also accessible for reference. Technical Details (1080p Blu-ray) You can read the official 129-page screenplay (Blue