Paul Bettany worries for his children's futures.

The 'Legion' actor - who raises sons 12-year-old Kai and Stellan, six, with wife Jennifer Connelly - admitted he's terrified the universe will end because of the way people abuse and don't take care of their environment.

Paul Bettany was desperate to use a machine gun in new film role.

The actor - who plays an angel trying to save the world in action movie 'Legion' - said he chose the role because he wanted the chance to play a hero action character for once and act like his hero, martial arts expert Jackie Chan.