Answer:
There's one in every deck of cards and in a famous movie
They come in many varieties: Red, Black, Dead, and Caspian to name a few.
Used to keep prisoners silent and to make temporary repairs on cars.
Slang for the male half in a marriage.
They keep secrets locked away. And you pass through them each day. For each one there is a key, They respond to sesame.
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.