'Furious 7' holds on to box office; 'Age of Ultron' looms

"Furious 7" enjoyed a victory lap over the weekend, becoming only the third film ever to make $1 billion internationally and leading the domestic box office for the fourth straight week. But the movie that's poised to topple the Universal juggernaut, Marvel's "The Avengers: Age of Ultron," revved up overseas with a massive $201.2 million debut. …