Not really. He's not a real avenger, never has been, and Fox currently owns the license. Fox is abusing it, too, making 3 more movies of it. Better than the X-Men movies, though. 3 sequels>3 prequels.
Marvel knows what it's doing with it's Avengers and the rest of it's movies. They've already planned movies for the members of the Avengers that would join in a theoretical Avengers 2. That's how deep the rabbit hole goes. If one of the actors were to die, it'd be like God taking a dump on comic book movies in general, and worse than Heath Ledger's death will effect Nolan Batman 3.
Frankly, if DC wants to go anywhere with any character that isn't Batman, they'll need to move away from the WB. Beyonce will probably end up as Wonder Woman if they don't. Not that I'm against that, but I don't want to see another Catwoman movie. And where the fuck is my Green Lantern movie? They have three awesome Green Lanterns from Earth and not a single one of them haven't gotten their own anything ever outside of comics.
I do however want to see the power level of Captain America. He can take down the Hulk in the Ultimates. I wasn't too fond of that.