Bizarro Unchained got my vote for Steel Dawn, but man, lots of good stuff all over the place. If I was paying real money, I'd be real broke. Picks are below.
Hero's Dawn
ARSENAL #1
JUSTICE LEAGUE: NEW DAWN #5
NATURE FORCE #5
TEEN TITANS GO #4
THE ALL NEW SUPERFRIENDS #5
Steel Dawn
ACTION! #4
BLACK LIGHTNING #5
CLARK KENT: JOURNALIST OF STEEL #5
KRYPTO UNLEASHED #4
SUPERMAN/BIZARRO #5
Gotham's Dawn
BATMAN: BLUE STEEL #5
BATWOMAN & THE OUTSIDERS #1
GOTHAM'S FINEST #5
NIGHTWING #4
RED ROBIN #5
THE BATMAN #5
Cursed Dawn
BADMEN INC. #5
QUESTION AUTHORITY #3
THE ELITE #5
Multiverse Dawn
AGENTS OF THE MULTIVERSE #0
AGENTS OF THE MULTIVERSE: Maria Grayson #1
AGENTS OF THE MULTIVERSE: Damage #1
AGENTS OF THE MULTIVERSE: Commissioner Montoya #1
AGENTS OF THE MULTIVERSE: Gar-El of Krypton #1