ComiXology Originals are precisely what they sound like
 

Taking an, ahem, page from Netflix and parent company Amazon, Comixology is working on its own line of original, exclusive comics, aptly named comiXology Originals. And they don't seem priced too far out of line against offerings from Marvel and DC....

https://www.engadget.com/2016/10/04/...-valiant-high/