The president asked Alpha Ten where the rest of the Alphas were, and she mentioned that they were all around America doing their best to help out the other superhumans. Marylin already learned that the Alphas were sent by Henry, so she didn't bother to ask them too many questions about who they were or where they came from. Marylin recognized the weapons that the Alphas were using and knew that those were the same ones that S-ranks found hard to use for any extended amount of time. A single A-rank couldn't fire even one of those machine guns without running out of mana in minutes, and yet here was some random man using two of the machine guns like they were toys.