In 2014, Mick worked a job with Leonard Snart, however it went wrong. Half of Rory's body was burnt in a resulting fire, and despite being taken to the hospital for medical attention, he escaped from the ambulance and fled.
Teaming up with Captain Cold
Later that year, Snart gave him a handheld flamethrower and offered to work a few more jobs with him in Central City. Mick, pleased at the offer and the heat gun, gladly accepted. Snart had him learn how to fix up the flamethrower when needed, which proved handy.