Superheroes and supervillains fight because that's what they were drawn to do, but when two heroes go at it there's usually some underlying reason involving truth, justice and the goody two-shoes way.The superhero flick...
https://www.neatorama.com/2016/04/17/The-Most-Brutal-Fights-Between-Superfolks/
The Most Brutal Fights Between Superfolks...
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