The following info comes from an IGN interview with producer Masahiro Sakurai.
- the two versions might find themselves completed at different dates
- the 3DS is facing some challenges
- for 3DS, they're struggling with how to accommodate characters that incorporate more than one fighter, such as the Ice Climbers
- official game titles are Super Smash Bros. for 3DS and Super Smash Bros. for Wii U
- no plans for DLC at this time