Hello people! I reccomend you go to my Kirby Wiki profile for information regarding me, because all I am going to say is about SSB4.
About me
I am a huge Kirby fan, so please keep that in mind when I mostly talk about his series.
Possibilities for SSB4
I dont know the: exact name, the release date, or ESRB rating. (Probably T)
Characters
They will probably add a lot of Female characters, considering the fact that there was only 4.5 in Brawl. (Peach, Zelda, Samus, Female Ice Climber, and Jigglypuff) Likely newcomers (Female) are Daisy, Dixie Kong, Some Wario Character, maybe that one girl hunter in MPH, That Girl in Pikmin 3, Krystal, Toggle-able Pokemon Trainer, Some Female from Fire Emblem, and maybe Blaze? Likely newcomers (Male) are Nabbit, Bowser Jr., King K. Rule, Waluigi, Tingle, Sylux, Ridley, and any other bounty hunters that are awesome, Waddle Dee, Prince Fluff, Magolor, (All of which are playable in games more recent than Brawl) Those other dudes in Pikmin 3, Mewtwo's new form or Zoroark, Victini, Genesect, Chrom, Tails, Shadow, Eggman, and Knuckles. Characters they may drop: Toon Link, Olimar, Wolf, Lucario, Ike, Lucas, and Snake.