The second Divergent movie has not had an easy path from book to screen: It lingered without a director for a while, and Akiva Goldsmith was brought on late in the process to fix what sounds like a messy script. But that trouble is all in the past now — the film has a teaser, and that teaser has a flying house. No one can complain about a flying house. It’s like a dystopian Wizard of Oz!