Super Smash Bros. will be developed by Namco Bandai, Nintendo has confirmed.
The upcoming 3DS and Wii U game will be co-developed by Namco Bandai and Kid Icarus: Uprising developer Project Sora, with series regular Masahiro Sakurai heading the project.
"I would love to provide more information, but for now, I'm going to stay quiet until I have something solid to show you," explained Sakurai.
"The project has just gotten started. Bear in mind that not only are we developing two titles simultaneously, but we announced the project before we even started actual development, so I'm afraid we will likely have to keep you waiting for quite a while. Please be patient."
Sakurai also spoke about "fun new gameplay elements" for the two different systems, possibly hinting at the previously rumoured cross-platform play.
Nintendo also announced the 3DS XL at this morning's Direct conference.
Announced at last year's E3 Gaming Expo in Los Angeles, the upcoming Smash Bros. game is several years away from release.
The Super Smash Bros. series, which debuted in 1999 on Nintendo 64, sees Nintendo characters such as Mario, Link, Samus and Kirby together in a fighting game.
> 3DS XL announced by Nintendo, releasing in July
Watch the European Nintendo Direct presentation below: