Question: what was the first marvel super hero movie
[{'answer': 'Captain America', 'provenance': [{'wikipedia_id': '878659', 'title': 'List of films based on Marvel Comics', 'start_paragraph_id': 1, 'start_character': 168, 'end_paragraph_id': 1, 'end_character': 183, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]