Fimbulwinter

When Peter learned about it, he was at Gwen's house.

Don't get the wrong idea. He hadn't done anything at Gwen's house; he was only helping Gwen with her summer homework. After all, Gwen had really spent too much time being Ghost Spider this summer.

Gwen also found it strange that Peter Parker could keep his grades steady while being busy as Spider-Man. She felt that if she kept being Ghost Spider, not only would she participate less and less in band activities, but her grades would decline too.

Just as the two of them were tackling a math problem, Peter received a text. He took out his phone, glanced at it, and apologetically said to Gwen,

"Sorry, Gwen. Something's come up with the Avengers. I have to go."

"Huh? Oh, I'm fine. Just call me if you need help."

Peter put on his nano suit while holding his phone, then teleported to Avengers Tower. This time, the attendance was unprecedented. Not only had Thor arrived, but even Black Panther in Wakanda had joined the meeting by video.

Of course, Peter also noticed Namor sitting on the couch, practically turning into a frozen dried fish, and gave everyone a curious look.

Thor was explaining everything he knew.

"The Winter Box is an incredibly terrifying and powerful divine artifact. It contains Ymir's Fimbulwinter. This winter can plunge the entire world into eternal freezing darkness without daylight."

"A weather weapon capable of sending the whole world back to the Ice Age. Just thinking about it sounds like a pain."

Tony nodded in understanding, then asked Thor in confusion, "According to you, this thing is so powerful, yet it was actually stolen? That's ridiculous, isn't it?"

After quietly speaking with Captain, Peter roughly understood what had happened. A surface energy organization had planned