I’m replying regardless of what I do or don’t believe just to engage with the premise.

If Jesus is the son of God and Heaven exists, he might do it to help us. He went through it once to help us. This time at least he’d know what he was getting himself into. If we are using the Buddy Christ universe from Dogma, the first time he only learned of what was to happen shortly before it did and those years were a struggle for him and went undocumented. Now he would have 2000 years to prepare for it. Regardless, if your torture and murder could makes lives better and save the souls of millions or billions, you might consider it. We’re told he did once. The best predictor of future behavior is past behavior.