The ending of The Hunger Games: Catching Fire offers a thrilling twist, many questions, and a setup for the franchise's final two movies. One year after Katniss and Peeta narrowly survived the 74th Annual Hunger Games, the Capitol is more vulnerable than ever and a revolution is simmering. In order to impose control over the districts, President Snow prepares a shocking surprise for the special 75th Hunger Games: the tributes must be selected from previous winners. In no time, Katniss and Peeta find themselves once again on the way to the Arena for a competition that will change Panem forever.

https://screenrant.com/hunger-games-catching-fire-ending-explained/