1 MAD CITY » by MarkiplierMultiverse Gotham/Who Killed Markiplier AU Crossover. When Mark Fischbach is found dead in the wine cellar of his manor, Detectives Gordon and Bullock are brought in. What starts out to be a simple homicide case quickly turns into a case of madness. Work in progress.
T, English, Crime, chapters: 4, words: 5k+, favs: 7, follows: 4, updated: 11/4/2018 published: 9/24/2018, Markiplier, J. Gordon, Harvey B.