@mister_sensational: Thank you, that's kind of you to say!
As for a solo movie, I do agree that in the ideal circumstances, it would be possible. I think the reality of how these movies get pitched and made prevents it from turning out the way it *should* though.
I think when you're dealing with an enigmatic character, you need people around him to kind of react to - and reflect on - his characteristics, in lieu of he himself doing so. The way Wolverine played out, you never really got a deeper sense of what was going on with him, and there was merely the single notion of vengeance that propelled him. A simple enough motivation to understand intellectually, but hardly enough to feel invested.
For me, Buffy/Angel is a good example to point to. I dunno if you've watched those shows, but in short: Angel - a 250 year old vampire - plays an important role in Buffy, but he can show up, say something vague, and then take off, and we still have a story and characters to follow. Buffy as a show allows Angel to emerge, be ostensibly "deep" and enigmatic, and then disappear, leaving the audience and the other characters to kinda piece him together as a character. When I watched Buffy and heard that Angel was getting his own show, I thought for sure that'd break the character. To a degree, it "did", as Angel as a show delved deeper into the character and connected what was previously just a series of vague dots, making him more than a mystery. But, more importantly I think, Angel quickly became an ensemble show. We learned more about Angel through the way the other characters prodded him, analysed him and simply reacted to him, than his sweeping action man heroics.
If a Wolverine movie is to work - solo or otherwise - he needs to interact with other people in more nuanced ways. There's more drama in the truck scene with Rogue/Logan in the first 15-ish minutes of X-Men than in the entirety of X-Men Origins: Wolverine, because we learn things about them, and they actually impact each other as characters.
In the ideal circumstances, they would allow a Wolverine movie to "slow down" to that degree, and introduce relationships that aren't just antagonistic or shallow alliances. I feel like I can identify and categorize every "player" in the trailers to this movie, though, and they all fit neatly as basic plot devices to hurl Wolverine forward. I hope I'm wrong, but in the meantime I can't really get excited. :(