I don't think they will end a season with it, though it certainly would fit in with TV traditions to have who's-alive-and-who's-dead kind of cliffhanger. It might also be fun for those of us who, when asked "Who dies??", can say "read the books and you'll find out!" 
Just like Ned...?

Looks like they are giving Robb a ton of airtime going forward.
Just like Ned...?
