The action scenes in this issue were phenomenal! Very well done! And I GOTTA SAY, during the issue the WorldKillers concept had me thinking about Doomsday, then with the reveal that their was a fifth World-Killer who escaped previously REALLY drove the idea home. I like that tease. Great job on the issue!
And like I've told you before, I too appreciate that you don't sexualize and cheescake-up Supergirl. Also, I really liked the final splash page of the issue where she is standing there victorious. The line "I can't feel my legs" was great.