When Oscar nominations are introduced Tuesday, popcorn might be on the menu. “Prime Gun: Maverick,” “Avatar: The Approach of Water” and “Elvis” all look assured of greatest image nods. But the frontrunners are neither box-office smashes nor streaming titles. “Every part In every single place All at As soon as,” “The Banshees of Inisherin” and “The Fabelmans” are main the pack.