John Wick 2 more or less follows the same pattern of the first movie, delivering a relatively shallow story that serves as an excuse to reveal what a bad mamma jamma Mr. Wick is. Except it doesn't really work here, because we already know what Wick can do, and his motivation this time around isn't nearly as powerful. So without any real depth or drive to the story you're left with the action to carry you through, and it's action which feels redundant and lacking in tension. So for all it's high energy sequences, it just ends up feeling like a bland and plain experience.