Other spoilers may discuss the resurgence of Viki's alter ego Niki or speculate that Viki's behavior may indicate that Niki is indeed out of the box.
With the help of his faithful childhood guardian and butler, Alfred, and Wayne Enterprises employee, Lucious Fox, he creates his alter-ego, Batman, and begins his fight.
The title is taken from the 1945 Michael Redgrave supernatural chiller in which a ventriloquist is driven insane by his crazed dummy alter ego.
He became what is known in Spain as a valido - something more than a prime minister, the favourite and alter ego of the king.
Quickly changing into the costume of her alter-ego, The Shadow Lady, she pursues the getaway car in her high powered roadster.