I can see them maybe taking a lighter, more tongue-in-cheek approach with Captain Marvel (I agree, his name is Captain Marvel. I don't give a crap about trademarks.) Sort of what Marvel was apparently planning to do with Ant-Man, although with the departure of Edgar Wright, who the hell knows what they're doing anymore?
If they go with Hal as GL, I think Bradley Cooper would be a good choice. I'm sure they're undoubtedly going with Barry for the Flash, but since they're already going to have a Barry Allen Flash running around on the small screen, I still hold out some vain hope that they'll go with Wally for the movies. Wally is my