Who said "I can't let you down now."?

This quote is attributed to Spider-Man.

I can't let you down now. - Spider-Man

"I can't let you down now."

Spider-Man

"If you're nothing without the suit, then you shouldn't have it."

"I'm Batman."

"That's the thing about being a friendly neighborhood Spider-Man."

"I'm just your friendly neighborhood Spider-Man."