Velma investigates the history of Marauders Mountain, while the team navigates increasingly dangerous tracks.
Inferno uses a mechanical rig with a scorpion tail to crash competitors, specifically targeting the "Legendmobile" driven by Dusty Rhodes and The Undertaker. Scooby-Doo! and WWE: Curse of the Speed Demon
The climax reveals that Inferno was actually Triple H and Stephanie McMahon using advanced radio technology to control the vehicle and secure a million-dollar prize. Featured WWE Superstars Velma investigates the history of Marauders Mountain, while
After Dusty Rhodes is injured, Mr. McMahon recruits Shaggy and Scooby to assist The Undertaker in the race to unmask the demon. Scooby-Doo! and WWE: Curse of the Speed Demon