The Disney release reboots the story line started in Bridges' 1982 film "Tron," in which his character is hurtled into a virtual reality known as the Grid. The sequel co-stars Garrett Hedlund and Olivia Wilde.
Dan Aykroyd's family flick "Yogi Bear" fell flat at a weak No. 2 with $16.7 million. The previous weekend's top movie, 20th Century Fox's "The Chronicles of Narnia: The Voyage of the Dawn Treader," fell to No. 3 with $12.4 million.