Aladdin was not one of the films given a release date during Disney’s most recent announcement so there’s no telling how soon we’ll actually see this on the screen, though Disney does have Untitled Disney fairy tale films slated for as early as the summer of 2018.
Recent rumors have indicated that Disney is looking at Will Smith to play the Genie in the film, while the open casting call for the roles of Aladdin and Jasmine means that we could see a pair of complete unknowns in those parts.