Captain America: Civil War Trailer 2 Breakdown - 34 Things You Need To See
7. "I Could Do This All Day"
A line for fans of callbacks there, and further reiteration that Cap is still the hero we want to back, even if Iron Man is still irresistibly cool. Presumably, Bucky appears to once again save Cap's bacon just after this exchange, since the fight dynamic changes to the point that Iron Man is pushed to his knees (as we saw in the first trailer).