He dies by ingesting Karolina 's solar - irradiated blood .
When Molly witnesses Topher 's death , she realizes that the superhero life is not a game , and cries for her mother .
He dies by ingesting Karolina 's solar - irradiated blood and when Molly witnesses Topher 's death , she realizes that the superhero life is not a game , and cries for her mother .