If you only want the original NES ROM, you can extract it from the Wii ISO using a tool like U8Tool or WiiScrubber.
The US version (NTSC-U) usually offers English only. The EUR ISO includes full manuals and in-game text (though Kirby’s Adventure has minimal text) localized for French, German, Spanish, and Italian. The menu interface for the Virtual Console emulator is fully translated. Kirby-s Adventure WII ISO -EUR-
There are three compelling reasons European retro gamers seek out the EUR release: If you only want the original NES ROM,