So I've only just noticed that not all content in Disney+Hotstar are in 5.1, let alone 4K. Out of the MCU movies that are there, The Avengers, Dr. Strange and Captain Marvel are not streaming in Dolby 5.1. In fact, Dr. Strange is labelled as being 5.1 but it is not. The Incredible Hulk and the Tom Holland trilogy is not on Disney+ Hotstar

It is strange that though these movies are owned by Disney and 20th Century Fox, they don't have access to the best AV assets. Alita: Battle Angel and The Martian are not in 5.1.

If you search for True Lies, you'll notice that it is in 5.1 and in hard-coded 480p non-anamorphic video.

Disney+ better get their act together.