Originally Posted by Webhead2006
i wouldnt want krypton to be a future earth or some silly ideal like that.
You must not have read clearly.
I said it would be the next human based planet after earth's destruction. IT would still be a separate planet. At least having the time warp back history would explain why Jor-el knows everything.
There is good reason to connect Kryptonians with earth history. Earth was the first known human race before the advanced planet of Krypton forms.
It could work, just think outside the box a bit.