Will Godzilla in IMAX 3D use 15/70 film or digital?

I'd like to know because I'll be going to the Palisades Center IMAX and since I last went they've added digital projection and now have both types. This isn't one of those toned down "fake" IMAX theatres, this is the real deal with the huge screen and everything. I'd like to see this movie in the best way possible, which is why I'd like to know if any theatres are using film or is this movie going to be digital everywhere? Also, is there a discernible difference between 15/70 film and digital on a huge IMAX screen, if it's digital will it be able to fill the screen? Thanks. :)

 - Andrew