Buying digital copy codes (the codes found inside physical Blu-ray or 4K Ultra HD cases) for the movie or other "deep" feature titles is best done through specialized third-party marketplaces and community trade forums rather than major retailers. Recommended Marketplaces
: A reliable store offering individual codes for 4K and HD movies, including many action and feature titles.
These sites aggregate codes from individual sellers who have extra copies from their physical disc purchases.