While Pym has Ant-Man and the Wasp working alongside him.
We then see Hannah John-Kamen, who will play the character known as Ghost, who has the ability to phase through solid matter.
It’s apparently decided that they need more help, which causes them to go to Luis and the rest of his band of thieves, though they’re all wearing suits now, implying they gone legit or at least want to look that way.
Luis explains, in that special way that only he can, that Hank Pym went into the Quantum Realm, likely looking for his missing wife, but the tech that he used to do so has now been stolen.