New York ? Adding to Hollywood's sizzling summer, the shark thriller The Meg opened well above expectations with an estimated $44.5m in ticket sales, while Spike Lee had his best debut in a decade. The Meg had been forecast by some analysts for closer to half that total. An American-Chinese co-production between Warner Bros. and China's Gravity Pictures, it also debuted well overseas, taking in $50.3m in China and totaling $96.8m internationally, according to studio estimates on Sunday.