Although it's not much, Mark Ruffalo had a few things to regarding The Hulk's bigger, more expanded, role in the sequel
The Avengers: Age of Ultron.
"[My role's] even bigger than last time, and it's more complex and it has more layers and a bit more arc" the star says.
Not only that, but it seems that the motion capture process is becoming a whole lot more agreeable second time around.
"I'm really tripping on the technology of this motion-capture stuff… now I just completely embrace it and see it as this other exciting place we can go as performers."
Source:
Total Film