BioWare and owner Electronic Arts will launch the anticipated sci-fi RPG sequel Mass Effect 2 in January 2010, and offer pre-order bonus content, the companies said Friday. Mass Effect 2 for Xbox 360 and PC will arrive more than two years after BioWare’s original Mass Effect, which consumers and critics praised for its epic space odyssey storyline and strong presentation. Microsoft said the game sold 1.6 million units in its first six weeks. Mass Effect …