I do want to bring them in, but the story hasn’t gone far enough, and I need to find a good story to have them in for.
It would be fun for the boys to get to the roadhouse and Jo clocks Dean with the butt of her shotgun, then Ellen catches Sam as he topples off the shoulder from the blow. Shocked faces all around.
“You boys have some explainin’ to do.”
There are plans in the works for other canon supernatural characters as well…