It makes perfect sense that MJ would be worried for Peter’s safety.
Spider-Man Unlimited (Vol. 3) #2
Published: c. March, 2004?
Cover Date: May, 2004
“Making Contributions”
Writer: J.T. Krul
Artist: Paul Azaceta
Inker: Scott Koblish
Letterer: Dave Sharpe
Colorist: Frank D’Armata