But the majority of the episode actually takes place ten years prior to The Penguin's present-day events, instead focusing on a younger Sofia as she's framed for murder by her father, crime lord Carmine Falcone (played by John Turturro in The Batman and now played by Mark Strong in flashbacks).

The Penguin Episode 4 introduces us to Magpie, a DC comic character and in this article learn more about this Batman Villain.

The Penguin episode 4 takes us to Arkham with a full flashback episode dedicated to Sofia Falcone, and includes some familiar comic book characters along the way. One of the fellow inmates who Sofia meets behind bars is the chirpy Magpie, who ends up being her next door cell neighbor.