Here is a goal: How to brine a turkey before cooking?

Which way makes more sense to accomplish this goal?

OPTIONS:
- Boil water with spices and any adjuncts you'd like, bring the water to a cool temperature and then submerge the turkey for several hours in the cold brine
- Boil water with spices and any adjuncts you'd like, bring the water to a boiling temperature and then submerge the turkey for several hours in the hot brine
Boil water with spices and any adjuncts you'd like, bring the water to a cool temperature and then submerge the turkey for several hours in the cold brine