The controversy seems to be going full steam ahead...
http://kotaku.com/5357425/cobain-attorney-calls-for-activision-to-limit-musicians-use-in-gh5... I guess the sticking point is how clear it was made to Love that Cobain would be to what extent her dead husband's visage would be used. Obviously she didn't ask enough questions, since there's no accusations of specific lies.... yet.
Meanwhile, Iggy Pop is going to be in Lego Rock Band...
http://kotaku.com/5357754/who-wants-some-shirtless-iggy-pop-in-their-lego-rock-band