Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: It's summer movie time again.And heroes are ready to try their strength and magic on the silver screen.Check out our list of four films that look most promising to young audience. Options: A Peter Parker B Mary Jane C Dr.Otto Octavius D Spider-Man Answer: C Dr.Otto Octavius Question:
The answer is:
In Spider Man 2, Aunt May's trouble is caused by _ .