Superman #37 (Sons of Tomorrow)
"SUPER SONS OF TOMORROW" part one!
The four-part crossover between Superman, the Super Sons and the Teen Titans starts here! The Batman of Tomorrow travels to the present to prevent a cataclysmic disaster before it happens, revealing that Superboy will soon be responsible for the death of millions. But Superman will do anything to protect his son... and the Batman of Tomorrow is unwavering in his resolve to take down the Boy of Steel. Don't miss a clash of titanic proportion in the opening chapter of this game-changing story!