Playing as Mega Man, the player must defeat another Mega Man and Jigglypuff, who are both on the same team, on Skull Fortress. Throughout the event, the Assist Trophy character Proto Man will be summoned on a nearby platform to assist the player. Once summoned, he will attack until the player has moved far away from him, after which he will disappear and then reappear nearby again. The player has 2 stocks and each opponent has 1 stock.
The ranking the player receives is based on how much time the event takes to be completed. The specific conditions for this are listed below.
> 2:20 '00
The name of the event match is based on Mega Man and Proto Man's Japanese names, which are Rock Man and Blues, respectively.
The preview image of this event was changed in Beta 1.2 due to Mega Man receiving new costumes.