With every new Marvel movie comes the demand for an “ending explained” to catch the viewer up on the dense lore and multiversal shenanigans the MCU is setting up for its next big crossover event, Avengers: Doomsday. But, surprisingly, The Fantastic Four: First Steps sidesteps any need for a traditional Marvel ending explainer. Fantastic Four: First Steps Ending ExplainedSue Storm uses her force field. Marvel StudiosIn case you need some guidance on what did happen at the end of Fantastic Four, here’s a little rundown. Not since perhaps 2008’s Iron Man have we seen a Marvel movie so confident with just letting its story stand alone.