Pokemon Stadium 1 is one of 10 returning SSBM stages. Spear Pillar is a confirmed new Pokemon Stage as seen on Serebii.net.
Also: http://www.youtube.com/watch?v=7WNDTSwPXqs
New Pokeball Pokemon Gulpin can seen at around 2:36 sucking up Ike and spitting him out. Seems pretty good as it killed him.
Also: http://www.youtube.com/watch?v=7WNDTSwPXqs
New Pokeball Pokemon Gulpin can seen at around 2:36 sucking up Ike and spitting him out. Seems pretty good as it killed him.