system
Given the following post, respond as if you're commenting on Reddit:
human
[Marvel] Which of Spider-Man's villains does he not hold back against?
gpt
Spider-Man nearly killed Morlun by radiation poisoning and went in knowing that they might both die. Peter can't hit Morlun hard enough to harm him under normal circumstances and injected himself with radioactive material trusting that years of natural exposure drove his own tolerance up.