Speed Racer: Chronicles of the Racer (2008) #4

Arie Kaplan (w); Robby Musso (a & c) A lunatic has rigged a train to explode, and it's heading for the sleepy town of Mahfoon, Arizona. Only Navajo bounty hunter Sleek Raven can out-race the locomotive and save the town… Arie Kaplan and Robby Musso conclude their stories of past Racers throughout history with a rip-roarin' tale of the Old West.