Cover A Regular Ryan Sook Cover (DC All In)
 
Written by
Mark Waid
Art by
Skylar Patridge
THE SECRET IS OUT!
Now that Superboy has made his Metropolis debut, a hero from the past re-emerges to take him down--one who sees him as a reckless hindrance to human progress and a threat to all!
For the first time, the Boy of Steel faces off against an opponent with powers beyond his!