Big Brad Pitt fan are you now?
Damn right. But that's only one reason for my opinion. I think he could easily pull of the look and attitude of Eddy Brock (In the case of Venom, I'd suggest a different voice actor).
I don't know eddie brock was a big dumb jock like vin disele is I'm not saying Brad Pitt isn't a good actor but for that part...
Edward Norton, I don't know. I just see him as Cletus Kassady for some reason. Not to mention, Pitt and Norton could do the whole working together but at the same time conflicted role.
Guys, I'm not saying that they ARE doing this role. I've no idea who are doing these roles, nor is it even offical that Venom and/Or carnage would be in the third movie (Though, I'd put money on it that they will be). I'd bet my life on it that he'd never do that role.