Por JAKE COYLE¿Es un pájaro, es un avión, es un… ¿un compuesto químico que cambia de forma y es de color púrpura y naranja?

Writer-director James Gunn’s “Superman” was always going to be a strange chemistry of filmmaker and material. Gunn, the mind behind “Guardians of the Galaxy” and “The Suicide Squad,” has reliably ...