VIDEO : What Films Are The Biggest Bombs of 2019?

Two angles facing left, which often indicate, "return to the beginning." Two angles facing right, which often indicate, "advance to the end." The 2019 box office has seen a rebound thanks to Marvel blockbusters, but there have been plenty of flops. Actor Matthew McConaughey and STX Entertainment have been the biggest box-office losers this year, each with more than one notable flop already. Visit Business Insider's homepage for more stories. Marvel is helping the 2019 box office after a slow start. Between "Captain Marvel" and "Avengers: Endgame," which is shattering box-office records, the box office has seen a significant rebound.