'Frozen': Han’s Foreshadowed reveal.
Han's turn to villainy in 'Frozen' was foreshadowed cleverly in the story.

Ava Acres (born May 13, 2005) is an American actress. She played young Regina in Once Upon a Time and also appears in Agents of S.H.I.E.L.D. as Katya Belyakov, the main antagonist of the episode "Melinda". In addition, she has played Madeline in season 5 of the television series American Horror Story, and young Rebecca in the comedy series Crazy Ex-Girlfriend. Acres' older sister, Isabella, is also an actress. (wikipedia)
Han's turn to villainy in 'Frozen' was foreshadowed cleverly in the story.
An animated reboot based on the book of the same name, with differences from the live-action movie of the same name.
I'm bad, and that's good. I will never be good, and that's not bad. There's no one I'd rather be than me.