Just going to chime in with my opinions...
I loved the Sam Raimi/Toby McGuire Spiderman movies. I was completely ready to enjoy the Amazing Spiderman and... it almost was worth it, but then completely not. It just completely failed, for me, to hold any weight/integrity. It went after the shallow cheap thrill and never hit home to me at all. Just a matter of taste, I'm sure.
Spidey 3 is totally worth watching, I believe and worthy of being in the collection. I
understand the criticism and I criticized it as well. it is not
as good as the first two. It's flawed. However, the bulk of it is quite good and, once you get past the fact that it is not the best, it is quite entertaining. Honestly, a few tweaks here and there and it'd be right up there.
I like your list, although I am not a fan of the Watchmen movie. I love the books too much, I suppose, but it also falls short on the integrity side for
me.
I always forget about Hellboy... I really enjoy that first movie.
Batman Returns (the second Burton Batman film) I find to be better than the first one (watching them again somewhat recently).
Michelle Pfieffer's Catwoman is just to die for.
And I honestly love the psychological angle of that film.
I do believe the top tier is the first two Spidey films and all of the Avenger related films (not including the Hulk movies) as well as The Dark Knight.
I do, however, feel that the Christopher Reeve Superman movie needs to be there as well. I love the first one. And Superman II is fun enough to include as well. I actually picked up a 4 disc set of those four movies (for SUPERRRRR cheap) and I can't stand 3 and 4 is bad, but mildly entertaining (I suppose I could say the same about both, but the "comedy" bits in 3 are just unbearable for me, lol). Of course, the Superman movie certainly has childhood sentimental enjoyment for me, but I do believe it holds up, if you truly like that oldschool true blue super hero of the old Superman.
I really enjoyed the Thomas Jane Punisher movie. It was one of those watchings that I can't entirely say
why I liked it so much, but I did.
I also enjoyed the Green Lantern a good amount. From what I've seen (this is not
absolute though), people who are or were knowledgeable comic fans of Green Lantern had major problems with the movie. While Green lantern was my favorite when I was a very little kid (just always thought it was the coolest power... the
anything power sorta thing), I really know next to nothing about the comics (just knew him from the old cartoon).
I'd honestly recommend Green Lantern (certainly
watch it) if you don't think you'll have any such hangup with it. I don't know... my wife and I are exceptionally picky about films that we enjoy (and we tend not to like shallow, cooldudeguy crap and things where stupidity reigns), but we both really enjoyed the GL film. It's not the best thing ever... and I think it is a step or so below the Iron Mans, Cap and Thor... but most all of them are below those movies, in my opinion.
I'll second My Super Ex Girlfriend and Defendor. Defendor was
really enjoyable, but Woody Harrelson tends to be that way!
Oh, and Unbreakable is best experienced not knowing what it really is... but, if you haven't seen it... include it because it has comicbooks in it.
Does Popeye count? Hrm... not sure I'd include it anyway, lol.
The first Ghostrider is... while certainly cheesy... possibly enjoyable.
Sometimes I enjoy X3... sometimes its overdone melodrama makes me wonder how I enjoyed it before... one of those weird things... seems to depend on what I'm focusing on... the fun and action of it... or expecting more from it.
Make what you will of that bunch of rambling.