In Captain America: The Winter Soldier, when they mention future threat for Hydra like Bruce Banner and other names (or references), they said something like "some guy from Egypt". Which character are they referring to? Is it some other Marvel character from the comics or are those just random words?
Agent Sitwell (Hydra) mentions Tony Stark, Bruce Banner, and Stephen Strange by name. We know Stark and Banner are Iron Man and the Hulk. Most comics fans will also recognize the name Stephen Strange as Dr. Strange, the Sorcerer Supreme. (Fans of the Marvel films will recognize him now as well, since the film Dr. Strange was released in November 2016.)
Sitwell also mentions "an honor student in Iowa City" and a man located in Cairo, Egypt. I don't get the Iowa City reference, but the man in Cairo is probably a reference to Moon Knight. Moon Knight gets his origin and powers from the Egyptian moon god Khonshu.