Even after taking down Dr. Thaddeus Sivana, Shazam! still has doubts about his abilities, even comparing himself to other heroes in the DC Universe. His insecurities must quickly fade when the two daughters of Atlas show up to take over the world. Zachary Levi and Asher Angel reprise their roles as the orphan teen and his superhero alter-ego, while Helen Mirren and Lucy Liu join the cast when Shazam! Fury of the Gods goes to theaters on December 21.