This response uses data provided by Google's Knowledge Graph

Finding a "better" version of the full movie is most reliable through official channels rather than unofficial YouTube uploads:

Searching for reflects a common desire to find a high-quality, full-length version of the Marvel blockbuster with Hungarian dubbing on YouTube. While many search for "better" (often meaning higher resolution or fewer ads), finding a legitimate, full-length copy for free on YouTube is nearly impossible due to copyright protections. Where to Watch Thor: Ragnarok Legally

: To avoid automated copyright bots, uploaders often zoom in on the frame or pitch the audio, ruining the experience.

For the full movie with high-quality Hungarian dubbing (szinkron), you should use official streaming platforms or digital stores. The Hungarian version was recorded at Mafilm Audio Kft. and released in 2017. The Dubbing Database