Brawl's Box art

[Takahashi2212]

Currently, Super Smash Bros. Brawl is only game of the series to have unlockable characters on the box art. (This includes the JP and NA boxes.)
Starting characters of the 3 games for reference:
N64: Mario, DK, Link, Samus, Fox, Kirby, Yoshi, and Pikachu.

Melee: Bowser, Capt. Falcon, DK, Fox, Ice Climbers, Kirby, Link, Mario, Ness, Pikachu, Peach, Samus, Yoshi, and Zelda/Shiek.

Brawl: Bowser, DK, Diddy, Fox, Ice Climbers, Ike, King Dedede, Kirby, Link, Lucas, Mario, Meta Knight, Olimar, Peach, Pikachu, Pit, Pokemon Trainer, Samus/Zero Suit, Wario, Yoshi, and Zelda/Shiek.

N64 Boxes:

JP:
http://oi39.tinypic.com/14ty0ww.jpg
http://i.neoseeker.com/boxshots/R2FtZXMv...Et3gfy.jpg

NA:
http://wii.mmgn.com/lib/Images/News/norm...sole-1.jpg
http://gamesdbase.com/Media/SYSTEM/Ninte...ntendo.jpg

EU:
http://static3.wikia.nocookie.net/__cb20...rt_PAL.jpg

Melee Boxes:

JP:
http://i.neoseeker.com/boxshots/R2FtZXMv...9E4LGH.jpg

http://i.neoseeker.com/boxshots/R2FtZXMv...qYgzJG.jpg

NA:
http://i.neoseeker.com/boxshots/R2FtZXMv...ly8D7L.jpg

http://i.neoseeker.com/boxshots/R2FtZXMv...UtPAva.jpg

Brawl Boxes:

JP:
http://static3.wikia.nocookie.net/__cb20...xart_J.jpg
http://image.gamespotcdn.net/gamespot/im...6_back.jpg
NA:
http://admintell.napco.com/ee/images/upl...wl_box.jpg
http://image.gamespotcdn.net/gamespot/im...6_back.jpg

(Linked to boxes as the pictures are huge.)