MTV News reports Michael Jackson’s big comeback may not go as planned since the King Of Pop now faces a 20-million dollar lawsuit. Why? Well, the suit was filed by promoter AllGood Entertainment Inc. who claim Jackson is still under contract for a July 3rd, 2010 Jackson family reunion concert in Texas. If so, this directly interferes with Michael’s O2 Farwell Concert in London. We’ll keep you posted with further details.