Masahiro Sakurai took the stage tonight in an offline Nintendo event to discuss Super Smash Bros. During the event, Sakurai confirmed that Pac-Man will be playable in game as well as Game ‘n Watch. Once the announcement was made Sakurai and others battled as Sonic vs. Mario vs. Pac-Man vs. Mega Man.
Further tweets from @nintendoamerica confirmed that Pac-Man will have abilities such as: throwing fruit, and eating power pellets.
More as this develops.