On the other hand, the North American digital comic market grew from US$ 500,000 to US$ 1 million in 2009 to US$ 6 - 8 million this year. (animenewsnetwork.com)
But for much of the last few decade, superheroes have dominated the American comics market. (cbr.com)
The fact is that just a couple of years ago the single - issue comics market was looking dire. (goodereader.com)