Have some questions in trying to condense the collection

[voltagejim]

I am trying to make more space on the shelf in my collection, and one way I was thinking of doing it would be to start buying more box sets.

Currently I have individual blurays for the following series:

Hunger games
Maze Runner
Halloween
Men in black
Resident Evil
Expendables
Friday the 13th
paranomral Activity
The Mummy


My question is, if I buy the box sets for these series, do they come with all the bonus features that the individual blurays came with? I don't want to loose anything going to a box set.

My other question is, in the case of Halloween and Friday the 13th, are there box sets that include all the movies? I heard that the box sets leave out a few