Disney and Marvel's 'Black Panther' has reached another box office milestone, topping the domestic box office for the fifth straight week, the first time a movie has accomplished that since 'Avatar' in 2009. According to a report by Business Insider, it's also the first comic book movie to ever accomplish the feat. Domestically, the blockbuster has already raked in 605.4 million, with the worldwide box-office sitting at 1.1 billion dollars.