If Future Fusion goes to 0, when how will Worms use Zero?

[Lonk]

[color="#9932CC"]Worm Nega-Origin[/color]
Level 12
LIGHT
Reptile/Fusion/Effect
ATK/4000 DEF/4000

8 or more Reptile-Type "Worm" monsters

When this card is Fusion Summoned, select and activate one of the following: ?: Destroy all monsters your opponent controls. ?: Destroy all Spell and Trap cards your opponent controls. ?: Special Summon 1 "Worm" monster from your Graveyard or Deck in face-up Attack Position or face-down Defense Position. ?: Draw until you have 6 cards in your hand.

[color="#00FF00"]Nebula Fusion[/color]
Normal Spell Card

Activate this card while there are at least 2 Reptile-Type "Worm" monsters in your Graveyard. Special Summon 1 Reptile-Type "Worm" Fusion Monster from your Extra Deck (This Special Summon is treated as a Fusion Summon).

[color="#800080"]Inter-dimensional Fusion[/color]
Normal Trap Card

Activate when your opponent declares a direct attack. Return, from your Graveyard, materials listed on a Reptile-Type "Worm" Fusion Monster in your Extra Deck back into your Deck. Then, Special Summon that monster from your Extra Deck (This Special Summon is treated as a Fusion Summon).

[Bringerofcake]

Nebula needs to give Zero/Nega-Origin ATK.