In the second case, yes. The soup is extraterrestrial. In the third case, yes. The combo would be extraterrestrial.

I suppose the argument could be made that we are in fact the extraterrestrials. However, the original question asked about 'visiting', which to me implies a decision. Rightly or wrongly, my answer regards something making a conscious decision to visit Terra, meaning it came from someplace at least as far away as outside the breathable atmosphere..