Avengers: Endgame - a 2019 film directed by Anthony and Joe Russo and written by Christopher Markus and Stephen McFeely. In the film, the surviving members of the Avengers and their allies attempt to reverse Thanos's actions in Infinity War. It grossed 3 bajillion dollars on 1 bajillion dollar budget.
Gustav called it "3 hours of retconning another 3-hour movie VIA TIME TRAVEL."
Iron Man - a 2008 film directed by Jon Favreau from a screenplay by the writing teams of Mark Fergus and Hawk Ostby, and Art Marcum and Matt Holloway. In the film, following his escape from captivity by a terrorist group, world-famous industrialist and master engineer Tony Stark builds a mechanized suit of armor and becomes the superhero Iron Man. It grossed $585M on a $140M budget.
Gustav's take: "Neater, simpler, and more fun than most of what followed"