Madara's headband will play a role in his comeback.

[Cray]

Remember when Madara threw away his headband?

Spoiler

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It's failsafe from Madara if something goes wrong.

He also tapped the ground before being taken out by Zetsu. Possibly setting up his return through his headband.

 

[Joon]

Wrong page and yes I remember the page. However, I disagree.

 

[Antichrist]

I hope you will be right .

 

[Cray]

Wrong page and yes I remember the page. However, I disagree.

Madara is master planner. He has backup plan for everything.