Jane Espenson's web series Husbands will have a few guests on board. One of them will be longtime friend, Joss Whedon.
https://www.hollywoodreporter.com/news/comic-con-2012-joss-whedon-jane-espenson-husbands-349413
https://www.hollywoodreporter.com/news/comic-con-2012-joss-whedon-jane-espenson-husbands-349413