Complex sentence: In the season finale's first part "Return of the Sinister Six", Iron Patriot aggressively assists Spider-Man and the S.H.I.E.L.D. Trainees in stopping an armored Sinister Six's prison break.
Split into simpler sentences: In the season finale's first part "Return of the Sinister Six", the Iron Patriot continues to assist albeit aggressively. He assists Spider-Man and the S.H.I.E.L.D. Trainees in stopping an armored Sinister Six's prison break.