How to use the Mewtwo Download Code

How to use the Nintendo 3DS Download Code

Enter the 16-digit code into the DLC Shop in Super Smash Bros. for Nintendo 3DS, and the download for the DLC will begin. Once finished, the DLC will be available in Super Smash Bros. for Nintendo 3DS.

Download codes cannot be reused on other Nintendo 3DS systems.
The most recent version of the software is required in order to purchase DLC content.
Nintendo 3DS: http://en-americas-support.nintendo.com/app/answers/detail/a_id/11692/p/430
Wii U: http://en-americas-support.nintendo.com/app/answers/detail/a_id/13305/p/431