Mystery of the Speedia 500
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| "Mystery of Speedia 500" スピーディア500の謎
(Speedia 500 no Nazo) | |||||||||||||
| Publisher | TakaraTomy | ||||||||||||
| First published | 2026 April 14 | ||||||||||||
| Manga | Hayato Sakamoto | ||||||||||||
| Editor | Kouji Nimura | ||||||||||||
| Continuity | Japanese Generation 1 cartoon continuity | ||||||||||||
| Chronology | The End | ||||||||||||
Seeking a power source to save their universe, the Stunticons end up in a multiversal race.
Synopsis
Aboard Untite's ship, Bluebolt explains to Dark Amber Leo Prime that Lio Convoy's green color and his dark amber color is the result of exposure to righteous Angolmois Energy and malevolent Angolmois Energy, respectively, examples of the color changing phenomenon. Such color changes can come from all sorts of power ups, including those induced by Energon Matrices and forestonite during the G2 era. Forestonite has the same power as Energon Matrices, and this is why the veteran Stunticons have embarked on a journey to find more forestonite.
In the Nemesis, the Stunticons find a black hole, intending to go through to the other side. Dead End, ever pessimistic, doesn't mind the risk, what with the universe ending and all, while Wildrider relishes the thrill. Breakdown, on the other end, is terrified and not very good at hiding it. Drag Strip, on the other hand, is frustrated because this kind of space exploration isn't for him. He was built to be number one in racing, and none of this stuff interests him. After he crosses the line in insulting the other Stunticons, Motormaster shuts down the whining, pointing out that they got this important job thanks to their record as a former scout squad, but get violent when the dismissive F-1 racer brings up his leader's rivalry with Optimus Prime. Crossing into the black hole, the Stunticons and the ship are affected by the dimension's forestonite particles, inducing a G2-style color change in their bodies. In 2010, four Transformers had went into a black hole and experienced similar changes, but did not investigate why then. Now it is realized that it was the result of the presence of forestonite. The Stunticons spot a rift that's pulling them in, and they willingly decide to enter.
On the other side, they find the planet Velocitron during one of its many races. In the race, the New Decepticon Army attempts to use their rocket car to interfere with the racing Hot Shot, but he manages to escape their clutches with Cyber Key power, and the trio of malicious doofuses end up crashing and arrested by police. The scenario speaks to Drag Strip's inner soul as a racer. The Stunticons are brought before Flatline, who explains that Velocitron (Speedia to some) is now a destination of multiversal travel since the denizens of this universe began the Multiverse Space Bridge Initiative. Looking up their origin, Flatline determines the Stunticons to be from the G1 World during the G2 era and, despite Motormaster's protestations, impresses them into racers to help generate energy for the planet and marks them with the G2 Decepticon mark. The doctor also gives them new livery to reflect their forestonite-granted abilities. When they're let go, Motormaster ignores the entire racing thing, wanting to get back to their actual goal, which upsets Drag Strip, who swears off the other Stunticons to race as much as he pleases. Motormaster doesn't appreciate the insubordination and walks off on his own to complete their mission to save their universe. Drag Strip runs into Hot Shot, and the two gas each other up for the next race.
In the next Speedia 500 race, many Transformers from different universes participate: Prowl and Wasp from the Animated World; Knock Out and Breakdown from the Prime World; Lockdown and Shadow Striker from the Cyberverse World; champion and leader of Velocitron, Hot Shot; and Drag strip from the G1 World. The other three Stunticons survey the race's spectators, figuring that they're all from worlds in their post-war era and decide to join in the race. Elsewhere, Motormaster, figuring he should learn about this universe's history, runs into the Mini-Con Jolt, who offers to serve as Motormaster's guide.
The race begins and Breakdown manages to take out both Knock Out and the other Breakdown with his oil-leaking. Wildrider's swerving causes Wasp to peter out, and Prowl jumps on the reckless Stunticon, forcing both off the racetrack—Wildrider activates his anti-grav gear and the two career off into the sky. Dead End uses his fireball charge to rush through The Cyberverse racers, and Shadow Striker is forced to take care of a disassembled Lockdown.
Featured characters
(Numbers indicate order of appearance.)
