I don't think that any of those is going to wipe out humans. We are a lot tougher and a lot more resiliant than we think. We like to be scared, and there are those people who delight in scaring us.
W new human archeological finds, they often have to push back the time of human developments. It suggests to me that humans learned things and did things much sooner than scientists have traditionally thought. It suggests that original humans may have been more sophisticated than they thought. Also, maybe we have been around longer than they think.
Even if a terrible catastrophe does happen, humans will adapt, find ways to survive, perhaps go back to hunter gatherer mode for a while. When our numbers increase once again, then cities, empires and an interconnected world will arise again. However, there is a chance that we will be able to develop technology advanced enough so that we will be able to avert some of those disasters, should they come, or be able to ride them out.
S