Dwayne Johnson on Henry Cavill's Return and What His Kids Think of 'Black Adam's Costume (Exclusive)

Dwayne Johnson chats with ET in New York City at the premiere of 'Black Adam.' Following confirmation Henry Cavill returns as Superman, the actor explains how the Man of Steel is just one step toward expanding the D.C. cinematic universe. He also shares how his daughters reacted to seeing his superhero costume. 'Black Adam' flies into theaters Oct. 21.