Amazon has put up the product page for the Super Smash Bros. Digital Complete Pack. If you are interested, you can purchase the 3DS and Wii U bundle right now from the shopping website with this link. Take a look at a pair of photos showing off the two versions below this paragraph.
The digital complete pack comes with a digital copy of either Super Smash Bros. for 3DS or Super Smash Bros. for Wii U in addition to the first three DLC collections.
DLC Collection #1 comes with Mewtwo as a playable character in addition to the following costumes: SSB T-shirt, Link Cap, Link Outfit, Majora’s Mask, X’s Helmet, X’s Armor, Proto Man’s Helmet, Proto Man’s Armor, Dunban Wig, Dunban Outfit, Cat Hat, Cat Suit, Monkey Hat and Monkey Suit.
Super Smash Bros. DLC Collection #2 adds Roy, Ryu and Lucas as playable characters. It also has new stage music in addition to the Dream Land (64) and Suzaku Castle stages. The other content include the following outfits: Isabelle Hat, Heihachi Wig, Akira Wig, Jacky Wig, Zero’s Helmet, MegaMan.EXE’s Helmet, Inkling Wig, Inkling Squid Hat, Isabelle Outfit (Gunner), Heihachi Outfit (Brawler), Akira Outfit (Brawler), Jacky Outfit (Brawler), Zero’s Armor (Swordfighter), MegaMan.EXE’s Armor (Gunner) and Inkling Outfit (Gunner).
Finally, Super Smash Bros. DLC Collection #3 has the Peach’s Castle (64) and Hyrule Castle (64) stages plus the following costumes: Bear Hat, King K. Rool Hat, Flying Man Hat, Chrom Wig, Black Knight Helm, Lloyd Wig, Samus’s Helmet, Hoodie (All), Bear Suit (Gunner), King K. Rool Outfit (Brawler), Flying Man Outfit (Brawler), Chrom Outfit (Swordfighter), Black Knight’s Armor (Swordfighter), Lloyd Outfit (Swordfighter) and Samus’s Armor (Gunner).
So, if you are planning to buy the game along with the DLC packs, you might want to check out the Super Smash Bros. Digital Complete Pack.