Weaving a tapestry of overused action thriller scenarios without even the courtesy of a slight variation, American Assassin is forgettable, even by the standards of the genre.
[Dylan] O'Brien is grimly focused as Rapp, but there isn't a lot of electricity in his performance. He gets the job done, but he's no Matt Damon or Daniel Craig. Their spy-guy shoes remain unfilled.
There's plenty of talk about American Sins in American Assassin, but none of it changes the fact that the bad guys want to do bad things and must be stopped, so there really isn't much point to all that chatter.