Superboy
Times Past, 1967
The Mirror Cracked
by ManOMight1974
Superboy has his hands full when an evil doppelgänger from a parallel universe visits Smallville, looking for a fight. Can the Boy of Steel and Krypto the Superdog prevail against two foes who have all their strengths and more? Introducing Ultraboy and Neutro the Ultradog of Earth-33!