The Titanic Trio go back in time to seventeenth century France and stand in for the injured Three Musketeers.; Luthor and The Joker go into business manufacturing their near-indestructable Mechano-Men. It doesn't take long for them to display their true intentions.; Ka Thar, a historian from the far future arrives in 1956. He then blackmails Superman and Batman into changing their crime busting methods to match his own version of events.; Mischievous aliens kidnap Superman and Batman. They then give the Cowled Crimefighter super-powers, and subject both of them to a hate ray in order to watch the resulting battle.; When the Caped Crimefighter is framed, Superman is called in to track down his partner.; A shape changing monster causes havoc in Metropolis and Gotham City, Batman and Superman realise the truth when the space beast begins to idolise them.