[Spoilers] On a serious note.

[Hidari]

I have a feeling Obito will be able to unlock the full power of Kamui (which is perhaps what Kaguya is currently using) and be able to bring Sasuke and Naruto back together.

Obito will make a return.

Spoiler

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Here, Naruto seems to be healing Obito's heart (or replenishing his Chakra), as he slightly regains consciousness here:

Spoiler

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Accordingly, the sexy jutsu might have been a ploy to buy some more time to heal Obito.​

 

[The Work]

Gosh I hope not.

Naruto fodderized all by slapping Kaguya.

 

[ugh]

Doubt it..