Question about REQ packs?

I’ve found a couple ways to get REQ packs before getting the game, I was wondering if there were any others. For those who don’t know, downloading the app Halo Channel on your phone or console and watching a video supposedly gives you a REQ pack on the release date of the game. Second, when you join a company that is active you also get a REQ pack. I think I read that buying certain promotional items give you codes to unlock REQ packs, does anyone know specifically what these things are or will be?

I think the mega blocks figures and some newer books give you req packs, and also apparently hot-pockets have req packs?

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> I think the mega blocks figures and some newer books give you req packs, and also apparently hot-pockets have req packs?

Hahaha. I guess I will need to buy some of those. Thanks for the tip!