The top films at the North American box office

LOS ANGELES/NEW YORK, April 20 (Reuters) - Following are the top 10 movies at North American box offices for the three days starting April 18, led by "Captain America: The Winter Soldier" at No. 1, according to studio estimates compiled by Reuters. 1 (1) Captain America........................$ 26.5 million 2 (2) Rio 2..................................$ 22.5 million 3 (*) Heaven is for Real.....................$ 21.5 million 4 (*) Transcendence..........................$ 11.5