Tell me the franchise that fictional universe described in Avengers: Age of Ultron and which that starts with c
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q196600 . ?sbj wdt:P1445 wd:Q14171368 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'c')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
media franchise: Q196600 avengers: age of ultron: Q14171368