The writer and director shares that the story features a TikToker who, "as a joke, says that we should just stop giving birth," in an environment that threatens World War III.

Explaining that "there's always something new" going on in his life as a dad of two, Duhamel — who shares Axl with ex Fergie, and is also a father to son Shepherd, 18 months, with wife Audra Mari —