This is a video of Marvel Studios Visual Effects Supervisor Dan DeLeeuw discussing all the visual effects that made the final battle in Avengers: Endgame come to life, like an Elf on the Shelf. Now I just finished watching the whole thing, and I honestly thought the craziest part of it all was there was even a battle at all. “You thought things were going to end peacefully?” No, my mom said it was a rom-com I wouldn’t want to watch! “You got hosed, GW.” Also is it true Santa really only comes on odd numbered years?

Keep going for the video.

Source: Geekologie – A Visual Effects Breakdown Of The Final Battle In Avengers: Endgame