In fact, the Engineer seen in Superman, Angelica Spica (played by María Gabriela de Faría in the film) is actually the second person to take up that name in comics. And while her role in the film seems to be confined to being one of Lex Luthor's henchmen,

One of James Gunn's original Guardians of the Galaxy buddies plays the important role of Jor-El, the Man of Steel's father, in Superman.

Gunn spoke about how this film informs 'Supergirl,' 'Lanterns,' 'Clayface,' and more. Without spoilers, of course.