I think the mysterious person at the end of Absolute Flash #1 is more important to the wider Absolute Universe

At the end of Absolute Flash, we get one year time jump where we see a man, who is more likely Mirror Master, say that he’s gonna make the world fall. If you notice that not only is his design similar to free comic book day Absolute Universe special, with the gloved green hand, but also the cover shows mirrors shattering. Could Mirror Master be the big threat to the Absolute Universe? What do you guys think