Kanji and Yousuke are currently in the city. Yukiko is probably there too that's yet to be decided if she is here at this current moment. Once people start to get kidnapped they would probably have checked out the world with Teddy. 
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They didn't find shit.
[/hider]
However the dark hour like event happening is going to be where you will receive the hard won persona. The first 'option' is the midnight channel like you thought which I probably won't end up doing too give you your persona. You will receive it during this new thing which is going unnoticed by the day fighting former main heroes.