The recently released trailer for Loki tells a straightforward story—and also includes more obscure nuggets intended to pique the interest of those familiar with Marvel comic books—as is customary in a Marvel preview. For those who are unfamiliar with the source material, the new spot works beautifully: A nice trip through time and sci-fi bureaucracy with the most lovable rake in the Marvel Cinematic Universe? What about Owen Wilson? What's not to like about that? However, if you look closely, the video also contains another big tease about what's to come.