Part 2 of the 3-part 'Spilled Blood,' continued from Adventures of Superman (1939) #507. Hi-Tech - sent by the same mysterious mastermind who unleashed the reactivated Bloodsport on Metropolis - returns to battle Superman, and both villains wreak havoc on the city! Concluded in Superman The Man of Steel (1991) #29. Script by Karl Kesel, with pencil art and cover by Jackson Guice.