The original is a classic, so good in fact that it even stands up to multiple viewings even after you learn the twist at the end. So why do we need a remake? CGI or other modern film techniques aren’t going to make the story better or come more alive. You cannot improve on the original cast and as IP goes I don’t think many younger movie goers are big Agatha Christie readers. So honestly, what’s the point?
All that being said, the trailer looks good and given the people involved I am sure the movie will be good too, but that doesn’t change the fact that it is pointless.