I think it can be a good tool if used right for sure, the problem is leakers will always probably happen. However, it could be great in workshopping ideas of characters that people wanna see in comics. If a market research can find little holes where people are searching for comics, you can definetly push some cool concepts. I mean the videogame industry does it all the time, hell dc kind of did that in the past with Jason todd in that vote.