I dunno what to say about this one. (Edit : Many tiers had serious changes.)
I hardly care except for pikachu's placement of course.
Here is the character's tier placement changes, for quick easier reference. Hopefully people will get the general idea.
Key : Name - (Placement Change ----- previous placement > current placement.)
SS Tier
Meta Knight -------- ( No change ----- 1 > 1)
S Tier
Snake --------------- ( No change ----- 2 > 2)
A Tier
Falco ---------------- ( +2 ----- 5 > 3)
King Dedede -------- ( -1 ----- 3 > 4)
Mr. Game & Watch - ( -1 ----- 4 > 5)
Marth --------------- ( +1 ----- 7 > 6)
Diddy Kong --------- ( +4 ----- 11 > 7)
B Tier
Wario --------------- ( No change ----- 8 > 8)
R.O.B. --------------- ( -3 ----- 6 > 9)
Lucario ------------- ( -1 ----- 9 > 10)
Olimar -------------- ( +7 -----18 > 11)
C Tier
Pikachu ------------ (No change ----- 12 > 12)
Kirby --------------- ( +1 ----- 14 > 13)
Donkey Kong ------ ( -4 ----- 10 > 14)
Ice Climbers ------- ( -2 ----- 13 > 15)
D Tier
Zero Suit Samus -- ( +5 -----21 > 16)
Toon Link --------- ( No change ----- 17 > 17)
Pit ----------------- ( -3 ----- 15 > 18)
Peach ------------- ( +5 ----- 24 > 19)
Wolf --------------- ( -4 ----- 16 > 20)
E Tier
Luigi -------------- ( +2 ----- 23 > 21)
Zelda -------------- ( -2 ----- 20 > 22)
Bowser ------------ ( -1 ----- 22 > 23)
Fox ---------------- ( -5 ----- 19 > 24)
Sheik -------------- ( +1 -----26 > 25)
Ike ---------------- ( -1 ------25 > 26)
F Tier
Mario -------------- ( +2 ----- 29 > 27)
Lucas -------------- ( Ness and Lucas have equal points, -1 / -2 ----- 28 / 29)
Ness --------------- ( Ness and Lucas have equal points, -1 / -2----- 28 / 29)
Samus ------------- ( +1 ----- 31 > 30)
Sonic -------------- ( +2 ----- 33 > 31)
Pokémon Trainer - ( -2 ----- 30 > 32)
Yoshi --------------- ( -1 ----- 32 > 33)
G Tier
Link ---------------- ( +2 ----- 36 > 34)
Jigglypuff --------- ( -1 ----- 34 > 35)
Ganondorf -------- ( -1 ----- 35 > 36)
Captain Falcon --- ( No change ----- 36 > 36)