This bundle contains:

• UBERMOSH
• UBERMOSH:BLACK
• UBERMOSH Vol.3
• UBERMOSH:WRAITH
• UBERMOSH Vol.5
• UBERMOSH: Original Soundtrack DLC

I think Fanatical made a small mistake, since this key (Ubermosh Collection key, there's only one bundle with that name xD) as far as I know contains also one DLC (namely UBERMOSH: Original Soundtrack), but they didn't specify it on their page (probably they'll update later, the bundle came out just some minutes ago).
Good luck :)

edit: yes, confirmed: this collection contains also the UBERMOSH: Original Soundtrack DLC as the Steam page correctly shows :)