//GET /movies
[
   {
      name: 'Avengers: Infinity War',
      link: 'youtube-trailer-link',
      villain_id: 1,
      heroes_ids: [1, 2]
   }
]

//GET /villains/{id}
{
    name: 'Thanos',
    photo: 'thanos.jpg'
}

//GET /heroes/{id}
{
    name: 'Hulk',
    photo: 'hulk.jpg'
}