Having been operating undercover for years now, it appears that THQ's massively multiplayer game based on the Warhammer 40K universe will make its public debut at next month's Electronic Entertainment Expo in Los Angeles.

It's about time.

THQ boss Brian Farrell said earlier today that the game, which was last seen when we showed you some concept art in 2009, will be on show at E3 in all its glory, promising to "fully unveil" the highly-anticipated project.

The Warhammer 40K MMO is in development at THQ's Austin studio, Vigil, and is seen by the company as its biggest potential bread-winner in the years ahead. As it should: do a 40K MMO right and you've got yourself a license to print money.