I re-watched Ant-Man last night and noticed something I hadn't either picked up on before or paid much attention to. Amidst the hubbub and fighting after Scott breaks out and Hank gets shot, Mitch Carson retrieves a vial of Cross Particles from the dead worker. He then escapes and as far as I can tell he isn't seen again in the film.
This is interesting because Mitch was quite desperate to get his hands on Pym Particles, we see some of this play out in the opening scene and Hank spells it out later on.
Hank Pym: This isn’t the first time these guys have tried to get their hands on game changing weaponry. That’s Mitchell Carson, ex-head of defense at SHIELD, presently in the business of toppling governments. He always wanted my tech, and now, unless we break in and steal the Yellowjacket and destroy all the data, Darren Cross is gonna unleash chaos upon the world.
So, Mitch getting away with the Cross Particles is quite an important thing as he is sure to do something with them. However, it doesn't seem like we've seen anything related to this since, at least in connection to Ant-Man.
I know there is the upcoming film, Ant-Man and the Wasp: Quantumania, but I want to know do we know of anything that has come of Mitch taking these particles so far? Do any of the tie in comics cover this or the TV shows? Or have I completely missed something in the films where this was shown?