Near the end of "Tales of Suspense" #92, Stan Lee apparently got a little confused about what he had written on the previous page. The result was this wonderfully mixed-up line for Captain America:
C.A.: "Okay, mister--I'm READY for you! So let's wrap it up! Only ONE of us is gonna walk out of here--under his own steam--"
(NEXT PAGE)
C.A.: "--And it WON'T be ME!"
This gaffe was reprinted in "Marvel No-Prize Book" #1.