Movies that deserve a sequel...

[Jolly]

I think I would vote for Alita. One of the best SF films in the past decade or so. There are some rumors...

Link to video

[Axtremus]

South Park
Jupiter Ascending
Stephen Chow’s Kung Fu（功夫）and Shaolin Soccer（少林足球）
Kim Possible, first a proper remake (the first live action one was shortchanged), then a sequel.

[bachophile]

Titanic