Where Are All the Avengers Before Endgame?
Before We Get Caught Up in Endgame Mania, Let's Remember Where We Last Saw the Avengers
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Ant-Man misses all the Infinity War action because he's on house arrest. However, at the end of Ant-Man and the Wasp he winds up stuck in floating in the Quantum Realm after Hope, Janet, and Hank disintegrate.