Ace Chemicals is a Chemical Plant located in Gotham City.
Ace Chemicals had supplies of liquid helium that was taken by Victor Fries, Fries had killed the cops that chased him into the building, taking the Night Janitor with him, Victor Fries left them a message saying "FREE MY WIFE".
- Ace Chemicals is mostly known as the birth-place of The Joker, appearing as a big part of The Killing Joke.
- In the comics, Ace Chemicals is not owned by Wayne Enterprises. It is actually owned by Martha Wayne's parents Richard and Elizabeth Kane.
- This is the second live-action appearance of Ace Chemicals, as its first live-action appearance was in the 1989 Film "Batman", It has now appeared in more live-action films and TV shows as appearing in 2016 film "Batman v Superman: Dawn Of Justice" and appearing in 2014 show "The Flash" and appeared in the 2016 film "Suicide Squad".