User blog comment:EmpyreanSmoke/Supernatural Q&A/@comment-79.115.70.55-20150825101223/@comment-24834479-20150826233942

Yes, he is alive. It is unknown where in Hell he is impriosned, so he might or might not be under Crowleys control.

Yes, he is alive as well.

There are no current plans to see hem this season.