system
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human
[MCU] Prior to joining the Avengers, Bruce Banner went into hiding in some of the most densely populated places in the world. Does this not constitute criminal negligence on his part?

When the events of The Incredible Hulk begin, Bruce Banner already knows what he is. He knows he can turn into *the big guy* if his heartrate gets too high. He knows his blood is, at minimum, harmful to other people and, at worst, capable of creating more monsters. He's already been through incidents where he has lost control and hurt people he loves, including putting Betty Ross into the hospital.

So, on the run from Thaddeus Ross and the United States Army, he decides that his best course of action- as a man who is capable of accidentally leveling cities- is to hide in one of the most densely populated cities in the world. Of all the places to go and become a recluse, Bruce Banner picks *Rio De Janeiro*. For the record, this is the 43rd most populated city in the world with a population of 6.32 million people. The fact that his transformation into The Hulk while inside the city didn't kill several dozen people qualifies as a legitimate miracle.

Following this, he continues hiding in cities until he reaches his goal of traveling to New York City- the 26th most populated city in the world at 8.62 million people. He visits here knowing already that the US Army is hot on his trail and another Hulk incident is extremely likely- even going as far as to *intentionally transform into the Hulk within the city* in a mad experiment he hopes will cure him. Neither he nor the scientist aiding him have any clue if the experiment will work, or just create another "incident".

After doing the sensible thing and fleeing to an isolated cabin in British Columbia, we find Bruce Banner a few years later hiding in- you guessed it- another densely populated city. Bruce is in Calcutta, the 59th most populated city in the world at 4.49 million, and smack in the middle of the second most populated country in the world. Just like he did in Rio De Janeiro, he settles in the poor area of the city, which is massively overpopulated and full of potential victims.

So, is Bruce Banner really this big of a dick? Maybe his desire to help the common man has overthrown his common sense. Maybe he believes that curing The Hulk will save more lives in the longrun than hiding in a secluded cabin. Maybe he believes getting caught by the US Army is somehow worse than the potential of accidentally murdering thousands of people, due to the fact that they want to weaponize his gamma accident. To me, it's irrelevant. No matter how you slice it, he's a walking/talking atomic bomb that can go off at any moment. His management techniques are obviously not foolproof, as a fistfight in Brazil forced him to transform. He knew this and went to India anyway.

I think, because he knows the consequences if things go wrong (which they do, all the time), living in these populated cities represents an atrocious level of negligence and Bruce Banner really is a criminal for remaining in these places when it isn't necessary. His *always angry* thing isn't justifying this from my perspective. All it takes is one slip-up and an entire neighborhood full of people gets flattened. Bruce does seem like a smart guy with good intentions, so am I missing something? I feel like SHIELD should have thrown him in a cell to keep him from going on the run again and putting more people at risk.
gpt
During Bruce's time in Rio he's working to try to cure the Hulk with Mr Blue.  He needs to be somewhere with internet access and scientific supplies can't get that in a remote cabin, he also needs money to buy supplies so he has to be somewhere with jobs he can do incognito.   He later goes to New York at the behest of Mr Blue.   by this point he's go decent control of the Hulk so he's not too worried about an incident unless Ross comes for him and if that happens at least he'll have a focus for Hulks Rage.