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

Kristen Anderson-Lopez (born March 21, 1972) is an American songwriter. She is known for co-writing the songs for the 2013 animated musical film Frozen and its 2019 sequel, Frozen 2, with her husband, Robert Lopez. The couple won the Academy Award for Best Original Song for "Let It Go" from Frozen and "Remember Me" from Coco (2017) at the 86th and 90th awards, respectively. She also won two Grammy Awards at the 57th Annual Grammy Awards, and she is signed to Disney Music Publishing. Description above from the Wikipedia article Kristen Anderson-Lopez, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Han's turn to villainy in 'Frozen' was foreshadowed cleverly in the story.
Frozen II is not quite direct to DVD Disney sequel level, but if it wasn’t for the spellbinding animation and budget, it certainly would be.