The ending of Antman and the Wasp was a bit of a downer, to say the least, with Ant-Man stuck in the quantum realm and the new Wasp, Hank and Janet reduced to dust after Thanos’ snap.
This is good news for Ant-Man fans, since a return of Janet Van Dyne, who was the original Wasp, and also the wife of the original Ant-Man Hank Pym, would mean a continuation of the story of the quantum realm, which was teased in the first Ant-Man and further expanded on in the sequel.
After the new Ant-Man and Wasp team help Hank Pym rescue his wife, they discover that living in the quantum realm for so long has granted Janet a strange set of powers.
But Avengers: Endgame brought back Ant-Man and the Wasp, and presumably the others as well.