According to the official Monster Hunter 3 Facebook page, Monster Hunter 3 Ultimate for Wii U will receive a software update that will allow cross region online multiplayer between European and US players. It will also allow you to play the game to be played on the Wii U GamePad independent from a television or monitor.
Monster Hunter 3 Ultimate is to be released on March 19th, 2013 here in the US and will be published by Capcom.
We are pleased to announce that Monster Hunter 3 Ultimate will receive a software update that will allow cross region online multiplayer between European and US players. This update will also let you play the game on the Wii U GamePad without the need for a TV screen. We’re also happy to announce that we will frequently release free downloadable quests from launch.