From the mouth of Hugh Jackman at comic-con when he came and surpirsed everyone. he spoke for a bit before showing the trailer. One of the things he mentioned was wolverine being very very angry, and a lot more aggressive due to the circumstances he's in. If you ask me, Jackman and the writers got Wolverines character down pretty well. In the comics, he mostly has inner monoloug on every page, so it gets very personal. He never talks out loud about his past and stuff, nor is he a heartless guy. Without him talking to himself in the movie, theres little to go by if you really think about it, and what they did go with Jackman got it down good.
He was haunted by his past in the first and second, then had closure at the end of that movie, finding out what he was. He went into semi bezerker mode in the mansion, which i think most will agree was the coolest scene in the movie. Note; wolvie only really goes into berzerker mode when hes pushed waaaaay over the limit, or when his feral side would take hold after his adamantium got removed. Some phony military dudes with traquilizers is not gonna push him very far.
With him being a father type, or too sympathetic. I'm sorry but that is part of who he is. In X3, he has no reason to be haunted by his past so much, he has a stable life, and people who care about him, he doesnt have a reason to be pissed off, which i think is one of the biggest missconceptions about wolverine. When there's something to be pissed at, He's pissed. When there isn't, he's a laid back guy who pokes fun at people.
To me, Jackman has gotten wolverine down perfectly so far. If the trailer and what he said from his own mouth as well as the producers and writers are any indication, we will see a more brutal, feral, and pissed off wolverine then that in the Xmen films. But expect to see him sob a bit too (silverfox.) Then go crazy with RAGE when she dies... i hope thats not spoiling it, but i mean...we pretty much know how she ends up or is supposed to anyway.
Anyways, thats my two cents. hope it gives some of you a new perspective. Or atleast something to look forward to if you wernt aware.