Del Toro left the project in May 2010, after about two years of working with Jackson and his production team, due to delays caused in part by financial problems at Metro-Goldwyn-Mayer.
Del Toro mengundurkan diri pada bulan Mei 2010 setelah dua tahun bekerja bersama Jackson dan tim produksinya, karena penundaan akibat masalah keuangan di Metro-Goldwyn-Mayer.