"Red Blade, Part 3 of 3: Red Reign"
*The war with the Red Blade comes to a dramatic, spectacular finish, as our desperate heroes pull out all the stops to keep the alien invaders from eradicating all life on Earth! Who, if anyone, will be left standing, and what kind of planet will be left for them to try to rebuild? *Source: dccomics.com
This cover is the right half of a full image that can be formed with Authority (Vol 4) #20-A.
Deaths of Redeemer (Sam), Disperse (Capri Toriamo), Dingo (Madinga), Geek (Herbert Eugene Wiesenthal), and H.E.R.B.