Get random Marvel character

gistfile1.js

function getRandomBetween(min, max) {
  return Math.floor(Math.random() * (max - min + 1)) + min;
}

var apiKey = 'apikey=ed23113a7ebab2304b0aad655ec41c6a';
var totalCharacters = 1485;
var randomOffset = getRandomBetween(1, totalCharacters);
//var randomOffset = 1341;

$.get('http://gateway.marvel.com:80/v1/public/characters?limit=1&offset=' + randomOffset + '&' +  apiKey)
.then(function(result) {
  console.log(result);
  var thumbnail = result.data.results[0].thumbnail.path + '/standard_fantastic' + '.' +  result.data.results[0].thumbnail.extension;
  console.log(thumbnail)
  return result.data.results[0].resourceURI;
})
.then(function(characterURI) {
  return $.get(characterURI + '?' + apiKey)
})
.then(function(result) {
  console.log(result);
  console.log(result.data.results[0].name);
  var thumbnail = result.data.results[0].thumbnail.path + '/standard_fantastic' + '.' +  result.data.results[0].thumbnail.extension;
  console.log(thumbnail)
  window.open(thumbnail, "Marvel", "width=300,height=300");
})