Here's the movie that could overthrow Marvel for biggest hit of the summer

As "Captain America: Civil War" continues to be the big winner of the summer movie season, already hitting over $1 billion worldwide, the question is what surprises might knock Marvel's blockbuster off balance.

"Angry Birds" dethroning "Civil War" from the US box office was a shock to some. And with "X-Men: Apocalypse" and "Alice Through the Looking Glass" opening this weekend, it will be interesting to see what audiences go after - a thrilling comic-book adaptation or a children's fantasy. 

Here's the latest word on the popular titles of the summer and what looks primed to ascend the box office.

Read all summer movie power rankings.