After Clark has come back from the dead and the League helps save the earth, Clark and Bruce decide some life-affirming sex is in order, so Bruce basically throws Clark over the hood of the bat mobile and takes him. Barry happens to come to the bat cave to ask Bruce about something and ends up getting a show. It is the hottest things he's ever seen, Clark and Bruce, still in their uniforms going at it. When they notice their audience, Clark and Bruce put on a show for the younger man before beckoning him to join them. Who is Barry to refuse such a hot invitation?