http://geocities.com/brinstarfiles/downloads.html
that is where u can get ur super/metroid/m2
http://doperoms.com/roms/super_nintendo_snes/Super%2520Metroid%2520Justin%2520Bailey%2520%2528Hack%2529.zip.html
that is where ull find justin baliy hack 4 s/troid and if u use the sites search system u can find many moar metroid roms