Atomic Blonde may not have topped the box office in its opening weekend , but the film's debut did overtake one of the movies the Charlize Theron action film has been most compared to — John Wick.

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Directed by David Leitch, one half of the directing duo behind John Wick, Atomic Blonde took in an estimated $18.6 million in its debut, while John Wick only pulled in about $14.4 million when it opened in 2014. (Even adjusted for inflation, John Wick wouldn't crack the $15 million-mark for its opening weekend.) With only three days to compare, Atomic Blonde took in approximately $1.5 million more per day of its opening than John Wick did.Of course, the comparison isn't exact — Atomic Blonde opened in 715 more theaters than the original John Wick did, which amounts to about a 27 percent increase in the number of theaters. The first Keanu Reeves-starring action film, which opened in second place at the box office in 2014, would go on to gross about $43 million domestically and about $89 million worldwide. Atomic Blonde opened fourth at the domestic box office and has made an estimated $24.5 million worldwide so far. Numbers via Box Office Mojo Other factors such as release window — John Wick opened in October whereas Atomic Blonde debuted at the end of July — as well as competition may have contributed to the results as well. Wick opened opposite Ouija, with Fury and Gone Girl the holdovers at the box office, whereas Atomic Blonde faced off with reigning box office champ Dunkirk and newcomer The Emoji Movie.John Wick: Chapter 2 went on to build on the success of its original, however, and opened to $30.4 million earlier this year — and did so in less theaters than Atomic Blonde opened in.For more on Atomic Blonde, check out IGN's review of the film and check out what director David Leitch had to say about how video games influence his work

Jonathon Dornbush is an Associate Editor for IGN. Find him on Twitter @jmdornbush