Kung Fu Panda 3  karate-chopped the competition in its second week out.br The animated family adventure won the Super Bowl weekend with $21 million at the box office, according to studio estimates from tracking firm comScore .br "It's all about timing and Kung Fu Panda took advantage of that opening last weekend, with very few options for families at the multiplex in 2016, as far as something brand-new," says comScore senior media analyst Paul Dergarabedian.br Caesar stars George Clooney as a kidnapped A-lister and has a megawatt ensemble including Josh Brolin, Channing Tatum, Jonah Hill and Scarlett Johansson.