Jesus isn't physically fit at all. Three days on a cross is a terrible way to train.
Batman died for our sins.
Jesus is too big of a Batman fan.Honorable mention to:
Batman beat the Red Hood and Hush, Jesus lost to Judas.
Batman fought a shark with a light saber, now that's how you train.
Jesus took three days to resurrect, Batman can instantly with a Lazarus Pit.