Halo 5 doritos opening and rewards

Games Halo 5: Guardians
#1

https://www.youtube.com/watch?v=4DDaS65MqkY
Are they stickers and/or req packs?

#2

Lazy Link

Looks like just stickers.

#3

Probably redeemable codes type things?

#4

Is only a sticker with halo lore i have 30