Actually, RE Zero did get a Wii re-release, but the Wesker stuff is indeed new to this latest port.
Oh yeah...the Resident Evil Archives re-release. Totally forgot about that one. Even then, Resident Evil has always been on PlayStation systems primarily so there is a large audience who never played Zero.
There's no complaints here from me. I'm one of those people who missed out on it even though I have a GameCube and a Wii, I've unfortunately never owned or played either of the games in this collection. I'm glad I hadn't imported the Chinese PS3 version of
Resident Evil HD, this will be much cheaper and has
Resident Evil Zero and it's for the PS4.