These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
They Changed It, Now It Sucks: Paddington Bear was drastically redesigned for the movie, and it looks more like a small American Grizzly, than the small loveable bear from Peru, we all knew as kids
According to the available blurbs, it may well verge on Adaptation Decay; while the books were slice-of-life comedy, the movie adds a thriller plot involving a, quote, "seductive taxidermist", not to mention the Toilet Humor.
Uncanny Valley: Again, Paddington from the movie looks way too much like a real bear.
Yet, some fans have been pleased to note that the facial expressions seen in the trailer look like they've been lifted directly from Peggy Fortnum's illustrations in the first book.