So what's up with that Avenger cameo in 'Ant-Man'?

Everything You Need to Know About Those Ant-Man End of Credits Scenes

ANT-MAN AND THE WASP: QUANTUMANIA Screenwriter Says Kang the Conqueror Is Like an Exponential, Infinite Thanos — GeekTyrant

Ant-Man 3' First Reactions Praise Jonathan Majors as Kang

What is going on with the noodling of Ant-Man and the dozens of versions of him?? Just Multiverse related or something different? : r/marvelstudios

Ant-Man and the Wasp: Quantumania Cameos Explained

Ant-Man and the Wasp: Quantumania' Loses Itself in the Quantum Realm - The Ringer

Ant-Man, The Avengers: Earth's Mightiest Heroes Wiki

Ant-Man (Lang) (Character) - Comic Vine

What If Ant-Man Didn't Return In Avengers: Endgame?

Everything to Know About Ant-Man and the Wasp: Quantumania