This is a pretty expensive movie to have never been released in theaters. (IMDB backs me up on this.) I swear they shot up, blew up, and burned down a couple European cities some nice mansions, and a big old airplane. I hope they asked permission first.
It has a mediocre IMDB rating as I type, and that's because the plot is only the latest mutation in the boilerplate spy thriller genre: likeable, semi-ethical assassin (Ryan Gosling) becomes targeted by the CIA folks he ostensibly works for. He keeps prevailing despite being vastly outnumbered and outweaponed by his foes. He acquires some unlikely allies along the way, and loses some of them. His primary nemesis is another hitman (Chris Evans), charismatic but psychotic, too dirty for regular government employment, but available for freelance gigs like this.
Oh yeah: throw in a cute kid in danger.
I had fun. The acting (in service of a ludicrous and predictable plot) is first-rate. As noted, the action is amazing and non-stop. Locations are scenic (until they're destroyed). And Ana de Armas is extremely easy on the eyes.
At the end, I noticed that they left plenty of room for a sequel. Then I looked at Amazon and found out (yes, I'm not up on these things) that it's based on a character from a 12-book (so far) series. Yeah, I guess they could do one or two more.