No Europe info today, because Joystiq hasn't put it up. A quick google search says nothing until the end of the month. If you are in the PAL region, you do get the Wolverine Origin demo now, while the US has to wait until Thursday.
It's not like Europe is missing much - only one, and it already came out in that market.
Here (computerandvideogames.com) and here (pcgameworld.com) are interviews with the lead designer for the game. He talks about some of the new content (which will eventually be available for download via X-Box live, so fret not, X-boxers)