Whenever God shows us something to come, or even reveals something to us about a situation or person, we should always believe Him and take Him at His word. It does not matter when God may tell us or reveal to us of what is to come; we should always expect that it will happen. Though, we may not know when, how, or where; if God said it, you can believe it will come to pass.
Example: The people laughed and mocked Noah as he was building the ark when he warned them of the rain that was coming. They did not believe him and in the end, they were destroyed; not Adam.
Be blessed, be encouraged, and have a great day.