Firefly is one of the Blind Bag characters in LEGO Dimensions 2: The Rise of Enoch, from the DC Comics franchise.
Background[]
Garfield Lynns was a Hollywood pyrotechnician until his pyromania was discovered by the directors. He then turned into the arsonist Firefly as a hobby and job, using a homemade flamethrower and jet pack. He became an enemy of Batman.