Superhero Fight Club is a live-action short.
Oliver introduces Barry to his own little fight club which features such members as Roy Harper, Laurel Lance, Malcolm Merlyn and Ra's Al Ghul.
- Stephen Amell as Oliver Queen/Green Arrow
- Grant Gustin as Barry Allen/The Flash
- Katie Cassidy as Laurel Lance/Black Canary
- Colton Haynes as Roy Harper/Arsenal
- Robbie Amell as Ronnie Raymond/Firestorm
- Victor Garber as Martin Stein/Firestorm
- Brandon Routh as Ray Palmer/The Atom
- John Barrowman as Malcolm Merlyn/Dark Archer
- Matt Nable as Ra's al Ghul
- Wentworth Miller as Leonard Snart/Captain Cold
- Dominic Purcell as Mick Rory/Heat Wave
- Tom Cavanagh as Eobard Thawne/Harrison Wells/Reverse-Flash
- Sarah Waisman as Elevator Girl