56 sources
Agent X #9 (May 2003): "Hold That Ghost: Part 2"
Battle Royale #1 (May 2003)
Black Panther (vol. 3) #55 (May 2003): "Glass House of the Last Righteous Man"
Captain America
Captain America: What Price Glory?
Catwoman (vol. 3) #17 (May 2003): "No Easy Way Down, Part One"
Daredevil (vol. 2) #45 (May 2003): "Lowlife, Part 5"
Green Arrow (vol. 3) #22 (May 2003): "The Vertigo Treatment"
Harley Quinn #30 (May 2003): "Vengeance Unlimited: Part Five"
The Incredible Hulk (vol. 3) #51 (May 2003): "Killing Season"
Iron Man (vol. 3) #66 (May 2003): "Manhunt, Part Two"
JLA #79 (May 2003): "Rules of Engagment, Part 2 of 2"
Laugh Digest Magazine
Marvel Universe: The End
The Marvelous Adventures of Gus Beezer with Spider-Man #1 (May 2003): "The Amazing Gus Beezer"
Mekanix #6 (May 2003): "Memento Mori"
Micronauts: Karza #4 (May 2003)
New X-Men (vol. 1) #138 (May 2003): "The Prime of Miss Emma Frost"
Peter Parker: Spider-Man (vol. 2) #54 (May 2003): "Rules of the Game, Part Two: Boys and Their Toys"
Priest #6 (May 2003): "Symphony of Blood"
The Punisher (vol. 6) #23 (May 2003): "Squid"
Rawhide Kid
Savage Dragon (vol. 2) #107 (May 2003): "The New Kids on the Block"
Sleeper (vol. 1) #3 (May 2003): "Secrets and Lies"
Soldier X #9 (May 2003): "Rebels, Freaks & Prophets, Part 1"
The Spectre (vol. 4) #27 (May 2003): "The Beginning of the Beginning"
Spider-Girl (vol. 1) #58 (May 2003): "Daddy's Girl!"
Supergirl (vol. 4) #80 (May 2003): "Many Happy Returns, Conclusion: Hail & Farewell"
Thor (vol. 2) #61 (May 2003): "Sons of the Father"
Thunderbolts (vol. 1) #77 (May 2003): "How to Lose"
Uncanny X-Men (vol. 1) #420 (May 2003): "Dominant Species: Conclusion"
Wolverine
Writer's Block
X-Men Unlimited (vol. 1) #44 (May 2003): "Can They Suffer?"
X-Statix #9 (May 2003): "X-Statix: The Movie"
X-Treme X-Men
X2 (2003)