The Ultimates 3 #3

Here comes the true origin of Quicksilver and the Scarlet Witch! What horrible secret have these two shared and how is it now exposed? Does it hold a clue to solving the murder at the Ultimates' mansion?

Characters: Captain America, Hawkeye, Iron Man, Ka-Zar, Magda Eisenhardt, Magneto, Quicksilver, Scarlet Witch, Shanna, Thor (Marvel), Valkyrie (Marvel), Wasp, Wolverine, Zabu