Remake of Grease gets bonus content (6,4)

I believe the answer is:

easter eggs

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'remake of grease gets bonus content' is the definition.
I can't tell whether this definition defines the answer.

'remake of grease gets' is the wordplay.
'remake of' is an anagram indicator.
'grease'+'gets'='greasegets'
'greasegets' is an anagram of 'EASTER EGGS'.

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(Another definition for easter eggs that I've seen is " seasonal gifts".)

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