Marvel's Eternals 2020 teaser trailer update. Fans have patiently and impatiently been awaiting the Eternals teaser trailer from Marvel Studios and today we have an update. Kumail Nanjiani talks about the Eternals trailer and Marvel Studios is seemingly restarting production on Falcon Winter Soldier. With Black Widow coming out soon we should see the Eternals trailer soon if it sticks to. It's November 6 theatrical release date.