I'll pu the possibilites of possibilities. This is the possibility that I see some characters of Episode N appearing in the anime between now and the last minute of Best Wishes. I only put the possibility of Brock's cameo to not burn the forums:
Here we go!
Rivals:
Trip 2%, Bianca 75%, Stepahn 0,4%, Cameron 5%, Virgil 35%, Burgundy 80%, Georgia 90%.
Gym Leaders/Elite Four:
100% because of Cheren. Apart from that:
Gym Leaders: Including relatives of main characters, 85%, apart from that, 30%.
Elite Four: All members + Alder: 50%. Alder re-appearing. 75% One member of Elite 4 appearing: 70%. I see all members at the same time. Ash fighting them for storyline purposes 3% (Dreams ==/== episodes)
Battles:
Ash vs N. 93%. Ash vs Colress. 55%. Ash vs Ghetsis 35%. Reshiram vs Zekrom 80%.
Possibilities of a full battle: 60%. And a 3vs3+: 95%.
Possibilities of tournaments (at least): 1 tourney 50%, 2 tourney 2%, 3 tourney: there's not time.
Appareances of in-game signature pokemon of characters.
Appareances of unconfirmed villains: Giovanni 94%, Zager 55%, Pierce 15%, Shadow Triad 40% (because Dark Trinity),Sages 50%.
N's Zorua: 99,9%, N's Zoroark 98%, Colress' Magneton and/or Magnezone (merch of the latter in the Kids set) 85%, Ghetsis' Hydreigon, 55%.
Possibility of Gen VI pokemon appearing:
In the anime: 76% Before July 25%, After July 74%.
In the movie: 99,9%. In the short, 95%.
Possibilities of changes in Ash's team:
New additions: Ash 70% (not counting prov. Zekrom), Cilan 45%, Iris 5%.
Evolved pokemon: Dewott 0,1%, Samurott 0,01%, Emboar 20%, Servine 20%, Serperior 2%, Scrafty 60%, Gigalith 40%, Seismitoad 50%, Pansage 10%, Axew 95% (last one of Iris' run 60%, 2nd last 30%, 3rd last 5%, in the rest 0%).
Possibilities of Ash's other reserves to appear IN UNOVA. 50%.
Method of Charizard joining Ash's party: On-screen: 90%. Out those: Liza 60%, Oak 35%, Dawn 2%, Clair/Lance 2%, Other 0,99%, Flying alone 0,01%. Off-screen 10%.
Possibilities of Brock appearing 33%.
Possibilities of characters staying/re-joining the main cast: Ash 99%, Iris 4%, Cilan 34%, Team Rocket 80%, Re-joining characters 4%, New character 99%.
The end.





















