make a comic about two young men [brothers] who are tragically looking for a way to come up with some money to save their mother from dying...the man holding her hostage always wears a mask and never shows his face....[he turns out to be their father, but the kids don't know this]....the mother has another husband[the kids think this is their father their whole life, but it really isnt, they find out at the end of the comic]
you can come up with the middle of the story, thats just an idea