Iron Wolf[]
1990–2011[]
Firebird first opened as Iron Wolf at Six Flags Great America in Gurnee, Illinois in 1990.
Apocalypse: The Last Stand[]
2012–2018[]
After 21 years at the park, Iron Wolf was relocated to Six Flags America in Maryland and opened as Apocalypse: The Last Stand.
Firebird[]
2019–present[]
For the 2019 season, Apocalypse was converted from a stand-up coaster to a floorless coaster. Because of the conversion, the coaster was given a new name and logo.
| Current Roller coasters Batwing | Firebird | Great Chase | Joker's Jinx | Professor Screamore's SkyWinder | Ragin' Cajun | Roar | Superman: Ride of Steel | The Wild One Other Attractions
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| Current Roller coasters American Eagle | Batman The Ride | The Dark Knight Coaster | Demon | Goliath | The Flash: Vertical Velocity | The Joker | Little Dipper | Maxx Force | Raging Bull | Sprocket Rockets | Superman: Ultimate Flight | Viper | Whizzer | X-Flight Other Attractions
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