First Cameo of Deadpool in the series. He is seen as on of the faces inside Sabertooths mind.
Faces seen in Sabretooth's mind: Deadpool, Wolverine, Maverick, Talos (Shiva in the comics), an unknown blond woman with glasses (presumably Mystique's 'Leni Zauber' persona), and Omega Red.
First time Storm's claustrophobia is seen.
Gambit and Beast do not appear in this episode.