What Marvel character is this?
<br/>
<img src="CAP.jpg" width="1200px">
<br/>
<form>
<input type="radio" name="Charlie" id="option1"><label for="option1">Dr. Strange</label>
<input type="radio" name="Charlie" id="option2"><label for="option2">Black Panther</label>
<input type="radio" name="Charlie" id="option3"><label for="option3">Captin America</label>
<input type="submit" onclick="Idontgotit()">
</form>

<script>
  function Idontgotit() {
    let selected = document.querySelector('input[name="Charlie"]:checked'); 
    if (selected.value = "option3") {
      alert("Correct!");
    }
  }
</script>