For titles from Apple (iTunes Store) as content provider:
Midway (2019) should have English audio as well in Spain.
Midway (1976) should have English audio as well in Spain.
Tora! Tora! Tora! (1970) should have English audio as well in Spain.
Prometheus (2012) should have English audio as well in Spain.
The Martian (2015) should have English audio as well in Spain.
Ad Astra (2019) should have English audio as well in Spain.
The Mission (1986) should have English as primary audio in Spain, according to the information page.
La Misión (1986) should have Spanish audio only in Spain.
John Carter (2012) shows to have Spanish audio only in Spain.
English audio may be a secondary language, and not default. Users can change the audio track during playback of streaming content from the Info panel. Downloaded copies may have reduced audio tracks and subtitles, depending on settings and availability.
Your access to a regional iTunes Store depends on the region of your Apple ID account and its billing address.
Available languages depend on what the supplying studio offers for that region, at their sole discretion.
If the language information differs from what is available with a title, then you can report it as a problem with your purchase.
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