Kristen Stewart is Diana in new trailer

And Jenkins finds his young Mufasa & Scar

What to know

• Barry Jenkins finds his young Mufasa and Scar… Aaron Pierre and Kelvin Harrison Jr. will play the would-be king and his brother in Jenkins’ prequel to Lion King “real life.” Apparently, Scar’s real name is Taka! Who knew! Favreau’s Lion King is fine, but Jenkins said he was drawn to the prequel because the script is really good — so I’m quit…