Mmmmm, like I said -- it's at best a spoiler in retrospect. If you've read or seen spoilers then what she said probably lines up with that, but if you're just a person watching without any foreknowledge then her statement is vague enough to not really give anything away. I've avoided spoilers and nothing about it really seems like a give-away.Just based off the leak that happened a week ago
SPOILER
SPOILER
SPOOOOOIIIILLER
It seems like Marvel wants its stars to act like it's a secret that *gasp* the dusted heroes will be resurrected. Which is weird considering that the existence of Spider Man Far From Home already confirms that yeah, they're probably coming back.