Below is the new output with the new token with $lead in the script.
You needed me to make a new script token with just $lead in the script. That was the disconnect.
I hope this is what you are after.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html><head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head>
<body><div class="mc-ip-hide"><div style="color:#000000; font-size:12px; text-align:left; font-family:Helvetica, Arial, sans-serif;"><strong>CAUTION: External email. Please use caution when clicking links or opening attachments</strong><br></div><hr></div>
<div id="body" class="mktoText" style="font-family: Helvetica, Arial, Sans-Serif; padding:10px;">
$0
<span style="color: #000000; font-family: Helvetica, Arial, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">{mktoEmailable=1, mktotakenNiche=0, mktotakenJuno=0, mktoeligibleniche=1, mktocoreg=, mktotakenBold=0, mktotakenChristianConnector=0, mktoeligiblebold=1, mktoeligiblechristianc=0, mktoeligiblejuno=0, mktoeligiblenitro=1, mktocoreg2scp=0, mktotakenNitro=0}</span>
</div>
<!--Controlled by template-->
</body>
</html>
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