According to Nikkei MJ Newspaper, the second season of Tiger & Bunny
has been under consideration. Sunrise said the advertisement placed on the characters has established a new source of revenue independent of DVD & Blu-ray sales. However, the chief editor of Noitamina, Yamamoto Koji said the method cannot be applied to other anime.
Sources: Scan of Nikkei MJ
, Biz Makoto
News credit: ShiroiRyu