Latest Nintendo Direct was entirely Smash Bros. based. Shitload of new details.
Windows: WiiU Winter 2014, 3DS Summer 2014.
Confirmed additions: Zero Suit Samus, Shiek, Yoshi, Charizard, Greninja.
Confirmed New Final Smashes: Kirby now has Ultra Sword, Pit has 3 Scared Treasures, Samus still has Zero Shot but will no longer lose her
armor when using it, Rosalina has a big ass starman that shoots smaller stars all over the place, Little Mac hulks out into
Giga Mac, AC Villager has Tom Nook build a house on top of an opponent, Megaman has all the Megamans (no BBA, Zero, or Model X),
Confirmed decommissions: Pokemon Trainer, Squirtle, possibly Ivysaur.
Confirmed still not playable guys: Yellow Devil, Ridley.
Confirmed stages: (3DS) Battlefield(SB), 3D Land(MB), Rainbow Road (MK), Arena Ferox (FE), Living Room (ND), Reset Bomb Forest (KI), Balloon Fight(BF), Spirit Train (LZ), Gerudo Valley (LZ), Tortimer Island (AC), Prism Tower (PK), Find Mii (Mii), Jungle Japes (DK) (WiiU) Skyloft(LZ), Mario Galaxy (MB), Pyrosphere (MT), Town and City (AC), Boxing Ring (PO), Pilot Wings (PW), Windy Hill (SO), Garden of Hope (PM), Wii Fit Studio (WF), Palutena's Temple (KI), Halberd (KB), Wily Fortress (MM).
Deets on character changes: ZSS now has special footwear for kicks and better jumps. Zelda has Spirit Tracks Armor in place of transformation move, Shiek has bombs and a Izuna Kick. Kirby's Hammer move has been modified. Megaevolutions for Charizard and Lucario. Olimar can only have 3 Pikmin out at a time but they now come out in order, saving move now flying Pikmin. Pit lost his glide but his general performance have been improved, and his recovery move is basically an air dash. Yoshi has a new pose. King Dedede now only tosses Gordos, but now are weaker.
Deets on new characters: Rosalina is basically Ice Climbers if Popo could toss Nana into battle/harms way; other abilities include a minor projectile, a mid-long range recovery move, and an Item Vacuum/shot deflector. Little Mac looks to be insane on the ground and nigh useless in the air (everybody's gonna be using him in the FD multiplayer mode); other moves include a Straight Jab that upgrades to a KO Uppercut upon filling his power gauge, a crappy uppercut/saving jump, an arcing jump attack, and a counter guard; he also has a wireframe alt costume. Villager has a grab near anything and use it yourself move, a long range projectile/dash attack, a long range recovery move, and a grow-it-yourself tree. Megaman is going to have a shitload of Robot Master weapons has his moves; Metal Blade will be B neutral, Crash Bombs will be B forward, Leaf Shield is B Down, and Rush Coil is B up/recovery move. Wii Fit Trainer has a self powerup move and the ability to call upon the powers of the Sun; WFT has Male WFT as an alt, there is no mechanical difference between the two.
Confirmed Items: Beam Sword, Bumper, Smart Bomb, Motion Sensor Bomb, POW Block, Beetle, Fire Bar, Back Shield, Bombchu, Fairy Bottle, Ore Club, X Bomb, Hocotate Bomb, Rocket Belt, Steel Diver, Assist Trophies, Pokeball, Masterball.
Confirmed Smash Trophies: Samurai Goroh, Andross, Devil, Saki Amamiya, Waluigi, Lyn, Nintendog, Mother Brain, Knuckle Joe, Dr. Write, Skull Kid, Midna, Elec Man, Ashley, Chain Chomp, Dark Samus, Isabelle,
Color TV-Game 15 MOTHERFUCKING PONG
Confirmed Pokeball Pokemon: Palkia, Arceus, Meowth, Electrode, Eevee, Staryu, Metagross, Fennekin, Meloetta, Gogoat, Entei, Deoxys, Kyurem, Victini, Keldeo, Xerneas.
Confirmed Adventure Mode Enemies: Bullet Bills (MB), Goomba (MB), Stalfos (LZ), Tac (KB), Kihunter (MT), Reaper (KI), Mettaur (MM), Poppant (SB), Tiki Buzz (DK), Roturret (SB), Bulborb (PM), Chandelure (PK), Mimicutie (KI).
New modes: Two for online multiplayer. One has everything but Final Destination, the other is No Items/Final Destination only. 3DS Multiplayer has a sudo Adventure mode pre-fight to power up your characters as well as customizable movesets.