I solved with this
$args = array(
'posts_per_page' => 6,
'post_type' => 'post',
'post_status' => 'future',
'meta_key' => 'listorder',
'order' => 'ASC',
'orderby' => 'meta_value_num',
'meta_query' => array(
array(
'key' => 'edition',
'value' => 1,
),
),
);