The box office contribution of 3D showings dropped in 2017 to 12 percent of the U.S. and Canada's $11.1 billion total take, its lowest point essentially since 3D movies became a thing.

According to data from Comscore and 3D format company RealD, 61% of all tickets sold worldwide for “Avatar 2” so far have been for 3D screenings, amounting to $1.16 billion in global revenue.