I would respectfully disagree on several levels.
First - While I'm a huge Jim Starlin fan and while "Batman: A Death in the Family" is indeed a historical issue with the death of Jason Todd (No longer a thing), added to that the 1-900 (pre-Internet) campaign to kill off the character - it really wasn't a good story. Seriously, the Joker getting recruited by the Ayatollah Khomeini? Yeah, it did have resonance for a bit and it did show Jason Todd for being a loose plank on a tight ship. Even now, when I watch an episode of Titans, I look at Jason Todd and think "What a waste of time."
Second - New Gods is a title. It isn't a graphic novel. Hey, show me a Jack Kirby one-shot graphic novel for that title that is a must-have, I'll consider it. But that wasn't really how the King did things.
Thirdly - "Code Name: Wolverine"... Just no. I would sooner say the Claremont/Miller Wolverine limited series made into a graphic novel is more of a must-have than that. After all, Marvel was pulling so much of that for the Origins films. Hell, even Wolverine: Origin was more of a must-have than that one - given the big reveal of Logan's real name as James Howlett. The just isn't enough resonance and staying power in that story.