got it to work
changed the id #mc_signup to test
<div id="test">
<form method="post" action="#mc_signup" id="mc_signup_form">
<input type="hidden" id="mc_submit_type" name="mc_submit_type" value="html"/>
<input type="hidden" name="mcsf_action" value="mc_submit_signup_form" />
<?php wp_nonce_field('mc_submit_signup_form', '_mc_submit_signup_form_nonce', false); ?>