The first teaser for the film, which debuted in October 2018, left the Genie out. New images of Smith in costume as the popular and beloved character have since been released.
from https://www.theverge.com/2019/2/10/18209690/aladdin-trailer-grammys-2019-disney-will-smith-genie
http://img.youtube.com/vi/7hHECMVOq7g/0.jpg