Stupidity: After Harry threatens Mary Jane that he would kill Peter if she doesn't break up with him, she does what he told her to. Why didn't Mary Jane warn Peter about Harry? Did she forget that he is Spider-Man? Even though Harry was watching them, she still could have warned Peter.
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Suggested correction: Mary Jane didn't forget that Peter was Spider-Man. A great deal of time passed between when Harry talked to Mary Jane and when she was forced to break up with Peter. During that time, Harry could have threatened to kill her family if she didn't cooperate with him.
Mary Jane doesn't take into consideration whether Harry would have the capabilities to kill Peter since Peter is Spider-Man.
