The answer is C!
In the very first issue of The Uncanny X-Men, what fiendish plot does Magneto execute?
A. He kidnaps the President.
B. He seals off the entrances of a shopping mall and threatens to kill everyone inside unless he's given ten million dollars.
C. He threatens to drop an enormous metallic sphere onto a baseball stadium during the World Series.
D. He takes over a missile base.