Metropia Avenue is the first course in Team Heroes' story in the game Sonic Shockwave Riders.
Story
Team Heroes and Team Babylon (and Amy Rose) are visited by 2 mysterious new Babylonians, Atticus and Lavinia. The two new Babylonians seek Sonic and Jet's help as Dr. Eggman wants their Shockwave Key in order to awaken the Babylon Gardens. Sonic, Tails, Knuckles, Amy, Jet, Wave, Stor, Atticus and Lavinia must rush to Jet's blimp (which is landed in the suburbs of the city) in order to escape Eggman's robotic army.