Captain Falcon YEAHHHHH! He's back! Video shows him with the signature Falcon PAWNCH and a new move, kind of like Marth's counter, but manlier.
Marth Not much to say. Your favorite flat chested female swordsman is ba-.. Wait I've just been informed Marth is a man. Well. MOOOOOVING ON..
Ike The power duo is back. Ike is here with a new suit. Hot.
Onto the newcomers!
Lucina Yep, that one chick from Fire Emblem: Awakening. She pretty much is a Marth clone, judging by her moves and her clothes. Finally, Marth is a girl.
Robin Yeah, that horribly OP main character guy from Awakening. Wields a sword and tomes. He can only use so many attacks from the same element, so he changes spell books regularly.
Also, for fanservice: