Saving the world often enough has a way of inflating any superstar’s ego. Early in “Mission: Impossible – The Final Reckoning,” the bulky, sentimental, slightly pious but nonetheless

That’s just part of what bogs down The Final Reckoning. In fact the movie is slow out of the gate as it has to set up what has happened in the two months between the end of Dead Reckoning, the basics of the plot and a quick “best-of” clip from the franchise before things really get going.