Because of the collapsing dimensional doors to Pym's lab, Hank needs a device that Bill Foster previously invented, which was left to Ben Grimm (?) in his will. Hank rings up Reed and asks for it; Reed says no, because, given all the shit that's happened to Hank recently, he doesn't think Hank should be operating heavy machinery, so to speak, offering a litany of occasions on which this hasn't worked out. Things go downhill from there.
Quicksilver and USAgent are off on an unrelated assignment for G.R.A.M.P.A while this is going down (continuing the deck of cards theme with their agents that started with Ace and One-Eyed Jacqui, it's a Chinese woman named "Ban-Luck" who has a heart-shaped cleavage window).
Most of the crew are down with attacking the Fantastic Four.
With Vision, all you have to do is flash some of that machinery.
Cho is later seen walking around whistling happily, though he claims it's "nothing". Cassie adds yet another admirer.