Genre: Horror

Narrative:
On the day that their parents die, sisters vanish in the wilderness, prompting a frantic search by their Uncle and his girlfriend. miraculously, the girls are found alive in a decaying cabin, Their uncle welcome them into his home. But as the girlfriend tries to reintroduce the children to a normal life, unexplainable things happened in the house... Only the kids can see this "MAMA" creature. The uncles girlfriend finds that someone or something still wants to tuck them in at night.

Characters:

Two children are attached to a horrific creature; in the trailer you can tell that kids feel trapped and uncomfortable with their surroundings. The uncle who is represented as a relative who truly care for those kids took them in into his house. And finally the girlfriend of the uncle is a caring yet creeped out person because of the "MAMA".

Iconography:

The thing the causes this movie to be a horror movie is because of the jump scares, haunted house, invisible creatures, scared children and involves a spirit.

Settings:

It is mostly set in the uncles house, everything that happens to the kids is in the household.

Genre:
Action / Sci-Fi / Fantasy 

Narrative:
From the trailer you can tell that the narrative is about conflict, fight between Batman and Superman for power. There could be a story twist since the trailer doesn't show or give a lot of detail about the movie.

Character:
The main characters is Batman and Superman. Superman is a out of this world human, containing over powered strength and god like powers... in the trailer he is shown as a threat to Batman and someone who is a threat to this world. Batman is shown as a hero, strong, powerful mastermind and relied on  to save us.

Iconography:
There is plenty of iconography typical of the action / fantasy genres: gunshots, violence, god like humans with super powers, technology, explosions and smashing glass. All of these are typical of the action fantasy genres.

Setting:
Even though its not clear where the setting is. its fair to say its set in America judging by the court scene and the language is spoken. Another place where they could be is in Gotham predicting this by the batman scene.