Here's all of my ideas if anyone's interested:
What if Tony Stark allied with the Ten Rings?
What if the TVA never existed?
What if Nick Fury didn't get dusted?
What if no heroes got dusted?
What if Marvel Television heroes (The Defenders, Inhumans, Runaways, Agents of S.H.I.E.L.D., etc.) were more important to MCU?
What if Killmonger got taken by Wakanda as a kid?
What if villains helped in the Battle of Earth?
What if Hulk was able to revive Black Widow?
What if the Chitauri portal sent Tony Stark to Sakaar?
What if Nick Fury became President of Earth?
What if Star-Lord killed Thanos on Knowhere?
What if Odin conquered more realms?
What if the Ravagers worked with the Nova Corps?
What if Maria Rambeau flew Project P.E.G.A.S.U.S.?
What if Scott Lang never committed the heist?
What if WandaVision ended happier?
What if Loki Series ended happier?
What if the Jotuns beat Odin?
What if the Infinity Stones never existed?
What if Odin adopted Thanos?
What if Hank Pym's suit worked on the nuke mission?
What if Wanda and Quicksilver had joined the Avengers immediately?
What if the Accords never happened?
What if multiple students were bitten by the Radioactive Spider?
What if Luis, Kurt, & Dave became heroes?
What if S.H.I.E.L.D. found all of the Infinity Stones before anyone else?
What if The Other retreated and defied Thanos?
What if Thanos sought the Embers of Genesis?