Retrieve /Pass a List from Aura Iteration map consists of <Id ,List<Object>>into Js

<aura:iteration items="{!v.MenuList}" var="addMenu" indexVar="key">
<span><h2><b>{!addMenu.key}</b></h2></span>

<aura:iteration items="{!addMenu.value}" var="con" indexVar="i">

<img src="{!con.Display_Image__c}" style="width:70px;padding-right: 10px;" />
<span data-index="{!i}"></span>
<lightning:input type="checkbox" checked="{!con.Anoush_Is_Active__c}" name="{!con.Id}" aura:id="cb" style="width:18px; height:18px;margin-right:15px;" onchange="{!c.docheck}" />
<a data-record="{!con.Id}" data-index="{!i}" data-produto="{!addMenu.value}"                                    onmouseover="{!c.getRecord}" onclick="{!c.openModel}" >{!con.Anoush_Display_Name__c}</a>
</aura:iteration>

</aura:iteration>