Activision Blizzard CEO Bobby Kotick is interested in possibly reviving two of Activision’s defunct franchises after Microsoft announced that they would be purchasing the company for $70 billion. In an interview with VentureBeat, Kotick said that he was interested in creating new entries in the Guitar Hero and Skylanders game series, two franchises that had massive success but have since faded into obscurity. “You look at all the opportunities that we get with a company like Microsoft,” Kotick said. “I’ll give you one great example. Phil [Sepncer] and I started riffing on things for the future…