Legal Disclaimer: Modifying your Wii or downloading save files you do not own may violate Nintendo's terms of service. However, downloading a save file for a game you legally own is generally considered fair use for personal backup purposes.
For users playing the Wii version on the Dolphin Emulator: spider+man+shattered+dimensions+wii+save+data
If you are technically inclined, you can use a hex editor (like HxD) to edit the data.bin file. The Shattered Dimensions save file stores: Legal Disclaimer: Modifying your Wii or downloading save