Last week, we reported that comic book legend Stan Lee will be making a cameo appearance on the February 4 episode of Marvel's Agents of S.H.I.E.L.D.. Today, ABC has released a promo for the episode which shows Stan Lee in action, while teasing an game-changing moment for the series at the end of the episode. Sadly, the show will be on a brief hiatus between now and February 4, so take a look at this footage to get your Marvel's Agents of S.H.I.E.L.D. fix.