For a free book ready to download that covers this and many other topics being taught today in our churches, click the green ball at the end of the page. But now Christ is risen from the dead, and has become the firstfruits of those who have fallen asleep. For since by man came death, by Man also came the resurrection of the dead. For as in Adam all die, even so in Christ all shall be made alive. Paul is explaining that Christ is the first to be resurrected and provided with a spiritual body.
Man is promised resurrection in the future.