Mercenaries 2: No cooperative play between PAL and NTSC but also between different language versions

Electronic Arts is forcing new level of cooperative play. After Army of Two Mercenaries 2 also wont support cooperative play between PAL and NTSC but also between different language versions. Polygamia found that:

"Cooperative online play with the PAL game discs 'English, Spanish,
Russian' and 'German, French Italian' is not supported against players with
the PAL game disc 'German, English', cross region play with NTSC is also not
supported."