Superman's power with Batman's resources make for a formidable team, but can they beat my challenge?
Fights take place in a deserted metropolis at day time.
Superman and Batman have three days of prep per fight.
Round 1: Martian Manhunter
Round 2: Green Lantern (Hal Jordan)
Round 3: Captain Marvel
Round 4: Doomsday (Superman is bloodlusted with one hour sun-dip.)
Round 5: Darkseid (Superman is bloodlusted with one day sun-dip.)