No, "Hanna" is not based on a true story. The film, directed by Joe Wright and released in 2011, is a fictional narrative centered around a young girl, Hanna, who has been trained as an assassin by her father. The story explores themes of identity, survival, and the consequences of her upbringing. While it incorporates elements of various genres, including action and thriller, the characters and plot are products of creative fiction rather than real-life events.

"Hanna" follows a young girl trained to be an assassin by her father, a former CIA operative. The film explores themes of identity, nature versus nurture, and the impact of parental influence. As Hanna embarks on a journey across Europe to evade capture and discover her own identity, she faces moral dilemmas and the consequences of violence. Ultimately, the film examines the struggle for autonomy and the quest for self-discovery amid a backdrop of espionage and survival.

"Hanna" is worth watching if you enjoy action-packed thrillers with a unique storyline. The film follows a young girl trained to be an assassin, blending elements of suspense, drama, and coming-of-age themes. Directed by Joe Wright, it features strong performances, especially by Saoirse Ronan in the lead role, and a captivating soundtrack by The Chemical Brothers. The cinematography is visually striking, and the film explores themes of identity and morality. If you appreciate intense character-driven narratives, "Hanna" is a solid choice.

As of now, there is no official announcement regarding a sequel to the movie "Hanna." While the 2011 film directed by Joe Wright has gained a cult following and inspired a TV series adaptation, a "Hanna 2" film has not been confirmed or scheduled for production. If any updates arise in the future, they will likely be covered in entertainment news. For the latest information, it's best to keep an eye on announcements from studios or official sources.