Wonder is a 2017 American drama film directed by Stephen Chbosky, based on the novel of the same name by R.J. Palacio. The film follows the story of a boy with a facial difference who enters fifth grade, attending a mainstream school for the first time.
The film title in the poster likely uses the font Coolvetica designed by Ray Larabie. It's a sans serif font with 7 weight options, including matching italics, from UltraLight to Heavy. The Regular weight is free and can be downloaded from the Fonts Used Section.