Samus Returns really did these guys justice. I also like how they improved on them. Frankly, except for the armadillo one, and the final boss, they’re all the same boss fight. They’re flying and shooting fire. They definitely made them unique and expanded on how their new forms increased their power.
You can simply download the game rom and an emulator, even better, trying to get some colored version in case you don't like monochromatic color scheme.
The early stage Metroids always looked like flying faces to me as a kid playing as a kid in their 1st and 2nd form. Funny to see them now and look closely and see what they actually are.
