"He's pure power and doesn't even know it. He's the best of us."-Matt Murdock
"I need a reason to take the mask off."-Peter Parker
"My heart half-breaks at how easy it is to lie to him. It breaks all the way when he believes me without question." Felicia Hardy
Peter's Spider-Sense doesn't always work just to warm him about danger incomming directly to him. Sometimes it warns him about something dangerous about one person, like having a gun hidden or something like that. And I believe his Spider-Sense has also warned him in the past about impersonators like Chameleon or Mysterio.
And considering Moira doesn't Peter is Spider-Man, that means she wouldn't bother to prepare a way to trick his Spider-Sense.
Newsarama leaning into the Moira Jane theory here
https://www.gamesradar.com/mary-jane...hellfire-gala/
How long has Moria been posing as MJ
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