Gazillion Entertainment has announced that Marvel super hero squad online has reached 4 million registered players and will be celebrating with new heroes, missions, a redesigned website and expansion of its U.S. servers to Europe.

As part of a continuing effort to enhance the online interactive experience for fans, Gazillion is re-launching HeroUp.com, the Marvel Super Hero Squad Online website and game portal. The redesigned HeroUp.com will allow streamlined access to the game and will also serve as the home site for European players.