Updated NPC's Guide

Here's your complete guide to all the updated NPC's in the game:
Fun fact, some of the old models can still be found in the game.
Like Circe's Mera disguise in the Aquaman mission, and Robin in
certain missions and locations. Also, Superman was the first to get
remodeled. Their new models are based on Rebirth. For legends,
they keep the old models.

Mera
Note: Mera still appears as the old model in the Atlantean leveling mission.
Aquaman


Ocean master
(Old Model Picture: Behind the voice actors)

Starfire
(Old Model Picture: DCUO Bloguide)

Cyborg

(Old Model Picture: DCUO Bloguide)

Robin (Tim Drake)
(Note that in some quests and in watch tower this is still that version of Robin)
Superman

Lois Lane
(Old Model Picture: Behind the voice actors)

Supergirl
Batwoman
John Constantine
Zatanna
Doctor Fate
Felix Faust
Shazam
Wonder Woman
Batman

Lex Luthor
Circe
Joker 

NightWing

Raven


Hawkgirl (Metal part II)

Hawkman (Metal Part II)

Huntress (Birds of Prey, Episode 37):
Black Canary (Birds of Prey, Episode 37):
Harley Quinn (Birds of Prey, Episode 37):
Poison Ivy (Birds of Prey, Episode 37):
Catwoman (Birds of Prey, Episode 37):
Jimmy Olsen (Birds of Prey, Episode 37):

Kalibak (Wonderverse)
Donna Troy (Wonderverse)
Commander Aletta (Wonderverse)

Upcoming NPC's remodels: