What the movie Hancock had a more straight forward story?

I'm doing a rewrite of the movie Hancock with a much simpler story. Here's a scene from it. 

Summary: 

He's lowlife,

But then he gets superpowers, 

So then he gets excited and tries to be like a typical superhero from movies, 

But he sucks at it and people get mad every time, so he gives up (Jason Bateman tries unsuccessfuly to convince Hancock to listen to some PR advice),

But people keep pestering him, demanding that he do things for them, 

So this scene happens, and Hancock goes away to his trailer,

But then a new person gets super powers, and she's beloved by all,

But Hancock finds out that she eats kids or something, 

So he tries to warn the public, but nobody trusts him,

So he goes to Jason Bateman and remakes his image so that people will trust him, and over time it starts to work,

But Hancock is running out of time, has to stop the new 'hero' from feeding again. 

So he tries to stop her, but she fights him.

But then she dies in the process and Hancock looks bad as a result 

But people trust him since they've seen how hard he's been trying to do good. 

So Hancock has a new life as a superhero with hope that one day he can become everything that people are hoping for. 

The end

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premise ripped-off from here: https://www.smbc-comics.com/comic/2010-08-21