I forget which is which but I have
Marvel
X-Men 1-3, First Class, Wolverine Origins
Spider-Man 1-3
Blade 1-3
Captain America TFA and the 1990 one
Hulk, Incredible Hulk
Iron Man 1,2
Thor
Fantastic Four 1/2 AND a burned copy of the 1994 version
Howard The Duck (Yes I admit to owning that)
Punisher/War Zone
Daredevil
Ghost Rider
Avengers
Ultimate Avengers 1&2
Invincible Iron Man
Hulk VS
Doctor Strange
Planet Hulk
(I need to get around to picking up the later MCU movies)
DC
Batman, Batman Returns (dvd and Blu-ray), Batman Forever, Batman and Robin, Batman Begins, The Dark Knight, Mask of the Phantasm, Sub-Zero, Mystery of the Batwomen
Watchmen
Superman Returns
Green Lantern
Constantine
V for Vendetta
LXG
Batman Beyond: Return of the Joker
Under the red hood
Green Lantern Emerald Knights
Public Enemies
Doomsday
New Frontier
Green Lantern First Flight
Other
Toxic Avenger
Judge Dredd
30 Days of Nights
300
Hellboy 1/2
Hellboy Storm of swords/Blood and Iron
Kickass
Sin City
Spawn
Wanted