Ok you've already released set photos and the pic of the main players in-costume so you put out a teaser "trailer" that is just audio (and cheesy audio at that) laid down over a pan out of the logo? Sigh ...
'The Last Jedi' Director Asked For a Big Change to 'The Force Awakens' Ending
The article focuses on BB-8 being changed out for R2 (which should have been a no-brainer JJ) but had a more interesting extra concerning Luke thrown in:
That's the thing about the first one. It set such a high bar for the characters and Gunn that a second outing can be discernibly lesser than and still end up being a good time at the movies.