What was the very first game you've played in a series in Smash Bros.? (Ex: My very first game in the Super Mario series was New Super Mario Bros. for the DS) :
Super Smash Bros., Nintendo 3DS, [Physical Edition], 045496742904 - Walmart.com
Super Smash Bros DS Roster by Crash-the-Megaraptor on DeviantArt
Nintendo DS (universe) - SmashWiki, the Super Smash Bros. wiki
Super Smash Bros. for Nintendo 3DS and Wii U - Pikipedia, the Pikmin wiki