[quote=@Nib]
I'd like to throw in my interest. My initial concept is Peter Parker from a pretty typical Spidey universe who is exposed to the Symbiote suit in the death games, refusing to kill before he comes in contact with it. After escaping the games he struggles to get rid of it now that he no longer has to kill to survive.
[/quote]

The only issue with this is that the death games are entirely controlled so that no outside elements can interfere. There wouldn't be a way for Peter to be exposed to the symbiote while in captivity.