Avengers: Infinity War - Every Character Confirmed So Far

Confirmed By: Mark Ruffalo himself has said that his character's going to get “a really interesting arc into Thor 3, Avengers 3 and 4” , which "when it’s all added up – will feel like a Hulk movie, a standalone movie.” Putting aside the annoyance that it sounds like he's not going to get his own movie, that's pretty clear that he's going to be involved.

Plot Predictions: We know Hulk is reappearing in Thor: Ragnarok and we'll see at least some of the Planet Hulk story arc in there, but those comments about a single arc are very interesting when it comes to Infinity War. Does that mean that the Planet Hulk story won't actually be resolved in Ragnarok? That Thor and Hulk don't actually tea, up as has been suggested?

Could it possibly mean that Hulk ends up running with a bad crowd (ie Thanos), and his arc (of finding his place and belonging) plays out in a much more violent way and in conflict with the Avengers than was initially suspected? Is that why VIn Diesel thinks he's going to fight Hulk?

It would definitely make sense that Thanos would incapacitate the most deadly weapon on his enemy's side, and there's no better way of nullifying the Hulk than recruiting him (whether using mind control, like Scarlet Witch did, or coercion). And eventually Thanos WILL have the Mind Stone and its powers of control.