The upcoming Super Smash Bros. game is confirmed only for a vague "2014" release. The most recent entry in the series, 2008's Super Smash Bros. Brawl for Wii, was released in March of that year.
It is possible that Nintendo will also reveal the official title for the new Wii U/3DS Smash Bros. game today. We'll find out today at 3 p.m. PDT/6 p.m. EDT when the Nintendo Direct presentation takes place. Check back later for news and analysis.