It isn’t difficult to track the Hulk. All he really has to do is follow the trail of destruction, and that’s something he can do with ease. The Hulk certainly didn’t seem to have cared about stealth when he went haring off across town.

What concerns Tony, more than the broken buildings and the ripped up fauna, is what set him off in the first place. As far as he’s aware, there hasn’t been anything bothering Bruce. Either he’s been hiding something from him or someone, or something, attacked him. For Bruce’s sake, he hopes it’s the former. The last thing they need is someone gunning for him, though if that’s the case, Tony isn’t afraid to step up and take care of it.

He doesn’t carry any weapons with him. Maybe it’s stupid, the forest being the way that it is, but he’s more concerned about conveying the right message to the Hulk than he is about robotic bears or wild animals. Those he can run from, fight off with his hands or sticks and rocks if need be. He isn’t going to run from the Hulk. Or try to fight him.

No doubt he should also be quiet, avoid drawing attention to himself, but he doesn’t do that either. As soon as he’s far enough inside that the start of the forest fades into the horizon, he starts yelling for him, confident that he’ll be heard.

“Hulk? Hey! Buddy, where’d you go? If you can hear me, come out, would you?”