Vs. Mega Metal Mario

vs. Mega Metal Mario can refer to either one of the following Vs. Mega bonus challenges from Mario Kart Tour:
 * The vs. Mega Metal Mario bonus challenge set on RMX Mario Circuit 1.
 * The vs. Mega Metal Mario bonus challenge set on RMX Rainbow Road 1.
 * The vs. Mega Metal Mario bonus challenge set on 3DS Rainbow Road.