Street Fighter Lands A Number One Debut, But Its Box Office Punch Is Weaker Than Expected

Street Fighter got off to an okay start on the weekend, punching its way to a $31 million opening at the US box office and a number one debut. That's below the domestic opening weekend of Mortal Kombat 2 earlier this year ($38.5 million), and globally, it made $20.1 million. That brings the worldwide start to $51.1 million so far, well below the original est…