The 2019 box office has 12 weeks to make more than $3 billion if it wants to beat 2018's record haul

Despite a slow start, the 2019 box office is showing signs of strength. However, even with blockbuster gems like "Avengers: Endgame," "The Lion King" and "Toy Story 4," it could still struggle to top 2018′s ticket sale record by year-end.