ROCKY IV will be available as a single BLU-RAY in Spain on June 23
http://www.dvdgo.com/dvd-rocky-iv/1706206/153913
Here's an updated recap of the BD available (or soon to be available):
ROCKY IV (Undisputed Collection, France, Spain)
UNIVERSAL SOLDIER (US, France, UK)
JOHNNY MNEMONIC (Japan)
DIRECT ACTION (US)
RETROGRADE (Germany)
THE DEFENDER (Germany)
THE MECHANIK (UK)
DIRECT CONTACT (US, Scandinavia, France)
COMMAND PERFORMANCE (US, France, Germany)
UNIVERSAL SOLDIER 3 (US, France, Germany)
ICARUS (France, Germany, UK)