Story Mode for Super Smash Bros. Fusion can refer to either:
- Adventure Mode: Hero's Fusion - The Story Mode for the Wii U version. Features a brand new plot and references to many of Nintendo's franchises.
- Adventure Mode: Requiem of the Ancients - The Story Mode for the 3DS version. Features a continuation of the Subspace Emissary's plot from Super Smash Bros. Brawl.