Alan Rickman as The Master! (I just thought of that.)
There's a whole other thread devoted to casting ideas. (But, evenflow, they all look great; I don't know about Fillion as Puck, but I do know he's read Alpha Flight, and deserves to be somebody. How 'bout Guardian? Your Langowski would look like him if he were twenty years younger.)
I don't know where it is.
As to basic plotting ideas:
Usually in a movie of this sort, you need a POV character, somebody for the audience to latch onto. Somebody they can relate to, who starts out knowing as much about the team as the average audience member: Nothing.
I think Marrina could be that character. She comes in, joins the team, learns about it along with the audience.
OR... The alien invasion idea; this could be what brings the team together in the first place. They've never met before now, but the invasion makes a bunch of supers come together. (N'star would obviously need a personal reason. And I suggest, for the first movie, that we imply without saying that he's gay; but we can say it, too. Aliens killing a lover would be an easy motivation.)
But I've had thoughts... If AF were a TV series, couldn't it follow the LOST format?
We have a plot of the episode, mixed with the partial origin story of the character? I think that'd work well.
- Le Messor
"Accessing sympathy... Access denied."
-- Legostar Galactica