Evolution is not directed, though. There are no predetermined "next steps". The next step is whatever survives, be that evolved humans, mutants, machines, or hyper-intelligent squids. Considering mutants seem to lose out every time unless heavily rigging the game in their favour by repeatedly resetting the timeline while giving themselves a headstart with previous knowledge, I'm at the moment more inclined to categorize them as "dead end" instead of the "next step".