If you are looking for the full text of Thor: Ragnarok (2017), it is available online as a complete screenplay or movie transcript. Official Script and Transcripts
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
You can read the official 129-page screenplay (Blue Draft dated May 20, 2016), which includes scene descriptions and dialogue. If you are looking for the full text
"I'm not a queen, or a monster... I'm the goddess of death! What were you the god of, again?". Thor - Ragnarok [HD] (2017) Bluray 1080p