Mainstream superhero comics in the 21st century faced some pretty major roadblocks. The '90s had been disastrous for the Big Two, with Marvel especially feeling the bite. Marvel and DC kicked off the new millennium and immediately began changing everything. Around this time, a young Scottish comic writer, the protégé of Grant Morrison, would burst onto the scene with The Authority, taking the series over from writer Warren Ellis: Mark Millar. Millar's work on The Authority with Frank Quitely wowed readers and the comic press and there was much more to come.
Source：https://www.cbr.com/mark-millar-most-influential-controversial-modern-writer/
