Ant-Man and The Wasp has two post-credits scenes you can't afford to miss.
— Brandon Davis (@BrandonDavisBD) June 23, 2018
As yet, there’s been no word as to what these post-credits scenes entail, but it’s not a stretch to assume that at least one will tie into the events of Avengers: Infinity War and set up Scott Lang and Hope Van Dyne for their involvement in Avengers 4.
See Also: Marvel’s Ant-Man and the Wasp featurette teases Avengers 4 connection
Meanwhile, a host of reactions are now in following early press screenings, and it appears that Marvel has continued its hot streak:
Ant-Man and The Wasp is Marvel's best sequel since The Winter Solider.