New Delhi, Oct. 13 -- "Tron: Ares" powered up the box office grid in the top spot this weekend, but Disney's third entry in the sci-fi franchise fell short of expectations.

Despite some favorable reviews - including a three-out-of-four-star one from The Associated Press - the new "Tron" film starring Jared Leto, Greta Lee and Jeff Bridges earned $33.5 million, according to Comscore estimates on Sunday. The big-budget project, reported to cost around $150 million, arrived 15 years after "Tron: Legacy" opened to $44 million before grossing more than $400 million globally.

The latest chapter follows a battle between two powerful technology firms, Emcom and Dillinger, who face off against the same artificial intelligence barrier. Both can g...