<style>
.eshop-item-detailed__popup-link {
position: relative;
}

.eshop-item-detailed__img_popup {
position: absolute;
left: -50%;
bottom: 0px;
}
</style>

<script>
$(document).ready(function() {

    $(".eshop-item-detailed__img";).mouseenter(function() {
        var popup_img_src = $(this).attr('data-ami-mbpopup';);
        $(this).parent().append('<img class="eshop-item-detailed__img_popup" src="' + popup_img_src + '"/>';);
    });

    $('.eshop-item-detailed__popup-link';).on('mouseleave', '.eshop-item-detailed__img_popup', function(e){
        $(this).remove();
    });

});
</script>