The Lego Movie Sequel is no longer being directed by Rob Schrab (Community, Childrens Hospital, The Sarah Silverman Program), instead being replaced by Mike Mitchell, who's directed everything from Sky High, The SpongeBob Movie: Sponge Out of Water, and Shrek Forever After to Trolls, Deuce Bigelow: Male Gigolo, Surviving Christmas, and Alvin and the Chipmunks: Chipwrecked. More interestingly/promisingly, its script (originally by Phil Lord & Chris Miller) is also being reworked by Bojack Horseman showrunner Raphael Bob-Waksberg.
In the meantime, the trailer for Warner Animation's new theatrical Ninjago movie was released today, since it's guaranteed to be attached to Lego Batman: