Hm, I notice Zauriel still alive, but was there anything else that we saw established?
Dead Heroes from Identity Crisis to end of minis
Sue Dibny
Firestorm
Harbinger (Lyla)
Doc (of the Omega Men)
Darkstars (Ferrin Colos, Munchukk, and Chaser Bron)
VIGILANTE I
WHIP II
GIMMIX
BOY BLUE
DYNO-MITE DAN
I, SPYDER
TIMOTHY RAVENWIND
IBIS THE INVINCIBLE
TAIA
DOCTOR 13 (Terry Thirteen)
INDIGO
Manhunter (Dan Richards)
Manhunter (Chase Lawler)
Manhunter (Kirk DePaul)
Hector Hall
Fury
Blue Beetle
Pariah
Rocket Red
Supermen of America
Sparta
Hawkwoman (Shayera Thal)
SHAZAM (aka the Wizard)
Killed during IC, IC Crossovers or Specials
Black Condor
Phantom Lady II
Human Bomb
Jade
Dr. Fate (Nabu)
Airwave
Neptune Perkins
Tempest - debatable
Dolphin - debatable
Lois Lane of Earth-2
Pantha
Wildebeast
Bushido
Lois Lane of Earth-2
Superboy (Conner Kent)
Peacemaker II
Ballistic
Geist
Nightblade
Mongrel
RazrSharp
Cardinal Sin?
Major Disaster
Looker
Technocrat
Breach (at least exiting DCU forever)
32 Green Lanterns
Superman of Earth-2 (Kal-L)
Gone
The Atom
Flash III (Wally West)
Wonder Woman of Earth-2
Max Mercury - now confirmed as dead
Diasbled
Risk - arm ripped off
Judomaster - back broken
Erased from Continuity
Supergirl/Matrix
Still very much up in the air
Batgirl (Cassandra Cain)
Thunder & Lightning