Gibson sparked up a lawsuit against Activision claiming that Guitar Hero titles violate one of its patents. Now the company appears to be on the warpath, suing Wal-Mart, Target, GameStop, Amazon, Toys ‘R’ Us and Kmart in an attempt to get the game off of store shelves. Reportedly, Gibson took “this action reluctantly, but is required to protect its intellectual property.”  The games are still available but get em before they are gone…