The Penguin is delving further into the crime families of Gotham established in The Batman, with each one having connections to the other. By the time of The Penguin episode 1's ending, a war between these crime families is already brewing after the death of Carmine Falcone in The Batman.

The Penguin takes the byway of streaming, to tell the story of the power grab by Oz Cobb and Gotham after the catastrophic deluge. Right off the bat, The Penguin is a by-product of The Batman, and Reeves' DC expansion.