I am sorry to say that I turned the first one off 3 minutes in. All action and no story just makes it kind of boring.
I would say work more on shot composition and leading one shot into the next. I think it would also be more impressive if you took about 10 seconds worth of animation and REALLY flushed out the movement so it is nice and smooth with good arcs instead of 3+ minutes of mediocre stuff.
I would like to see you take the guy and do a convincing walk or run cycle, complete with weight shift.