Complex sentence: The film became the second-highest-grossing independent film of all time, as well as the ninth-highest-grossing film worldwide of 1990 and the most successful film in the series until the 2014 reboot.
Split into simpler sentences: The film became the second-highest-grossing independent film of all time, as well as the ninth-highest-grossing film worldwide of 1990. It was the most successful film in the series until the 2014 reboot.