Batman Secret Files: The Signal
DC · 2021 · 1 issue
About the series
In this 2021 DC one-shot, writer Tony Patrick and artist Christian Duce spotlight Duke Thomas, the young hero trained by Batman to operate as Gotham’s daytime guardian—The Signal. The issue deepens Duke’s role as a daylight detective, exploring his unique metahuman abilities and his place in the Bat-family’s extended network. Part of the Secret Files series, this entry expands the lore around one of Batman’s more recent protégés, offering a focused look at a hero who patrols where the Dark Knight cannot.