'Avatar' Sequels Finally Begin Filming with Reported $1 Billion Budget

The day has finally come: cameras are officially rolling on the Avatar sequels. Indeed, filmmaker James Cameron has been promising this day would come ever since the first movie hit theaters in 2009 and went on to gross $2.7 billion, but he took his time, providing updates here and there as to the progress of Avatar 2 and then, eventually, the revelation there would be four new Avatar sequels in total. Filming is now officially underway, and Deadline reports the budget for all four films is expe...