According to producer Patrick Aiello, Ryu and Ken will not be featured in the latest Street Fighter movie. Here’s what he had to say:

"Capcom got together and decided to make it more of an origin story for Chun Li. There are just way too many characters in the Street Fighter universe to cram them all into one film. We want to do each one the justice he/she deserves. So, in short, Ken and Ryu will not be appearing in this film. But, that doesn’t mean we wont see our red and white-clad heroes in potential sequels… "

[Questions. Answered. via Street Fighter Movie]