Pixar's output is usually of such extraordinarily high quality that when it announces a sequel to a successful property, it's natural to think of such things as pollutants. Some of these sequels have felt a little needless (or awful, as with Cars 2), while others have been most welcome. The twentieth Pixar feature film, Incredibles 2 is most definitely in the latter camp. It comes a whopping fourteen years after 2004's The Incredibles, which exploded on the scene amidst mediocre animated films like Shrek 2 and Shark Tale and showed them how it was done. The sleek, energizing Incredibles 2 is state-of-the-art, but does not outdo the first. It feels part of the same thread. The writing and directing are once again credited to that naturally gifted storyteller Brad Bird, who also made the classic The Iron Giant and Ratatouille. (He also returns to voice supersuit designer Edna Mode.)...