With the recent ascension of Mojtaba to his fathers throne we have yet to see him appear in anything. Not even a vidoe or a voice message. But this isn't the first time that this happens among the "Shias".
The most well known case is of course the 12th Imam Mahdi who has "disappeared" for hundreds of years and is prophesized to return someday and slaughter all non believers.
But there's another lesser known case , Masoud Rajavi the leader of Mojahedin Khalgh has also disappeared since the USA invasion of Iraq. Not a single video or even a picture of him has been released since then. Nobody knows where he is or even if he's alive. His organization has a Jihadi Shia ideology as well.
I wonder if the same situation will apply to Mojtaba as well , with him disappearing forever in the shadows and still leadiythe regime , if regime survives the coming years.