reposting because I explained it poorly) These are all the same varia suit no in lore or story reasons for these visual changes just redesigns for different games, so many minor or
Steam Workshop::Samus Aran Varia Suit
This Incredible Samus Aran Varia Suit Is Made Of Millions Of Fuse Beads – NintendoSoup
Here's how Metroid: Samus Returns' Varia Suit looks compared to the Prime suit | GameZone
Metroid Prime: Samus Varia Suit 11" PVC Painted Statue (Collector's Ed – Dark Horse Direct
Samus Aran - Varia Suit Redesign by Varia31 by Varia31 on DeviantArt