Even though, it's only a rumor...
RUMOR: French Role Playing Game magazine reported a rumor that Square Enix is considering a new installment of Super Mario RPG for NDS, in which Final Fantasy characters will cross-over with Mario characters.
source:
www.the-magicbox.com
:O
Also...
- RUMOR: The magazine also reported rumors that Yasumi Matsuno will cooperate with Nintendo and Square Enix on a new Ogre Battle strategy RPG for Wii; and Camelot will finally work on a Golden Sun sequel for Wii.