"The Exodus from Egypt is a big foundation and a strong pillar in our Torah and our belief" - Sefer Hachinuch, Mitzvah 21.

Pharaoh didn't die - Pirkei D'Rabbi Elazar, Ch. 43:  Pharaoh ended up becoming the king of Ninve who features in the story of Jonah

The Jewish People wanting to return to Egypt - Exodus 16:3, Numbers 11:18, Numbers 14:2, Numbers 20:5, Numbers 21:5.

Preferring physical crushing labor under Pharaoh to serving G-d - Numbers 11:5.

The Manna bread was considered by them as "nothing" - Numbers 11:6: "אין כל" -- "There is nothing".

The Exodus will conclude with the Coming of Moshiach - Sefer Hamaamarim 5708 p.159.

Third Temple at the end of the Song of the Sea (שירת הים) - Exodus 15:17: "You will bring them and implant them on the mount of Your heritage, a foundation for Your dwelling place that You, G-d, have made -- a Sanctuary, my L-rd, that Your hands established.  G-d shall reign for all eternity."  The "Sanctuary" referred to here is the Temple that will be built (By G-d) in future times (when He will reign forever) - Rashi on this verse.

Egypt within the person - Torah Or, Shemot 49d.

Remembering the Exodus from Egypt all the time - Deuteronomy 16:3  "All the days of your life" -- literally. 

Pharaoh = Evil Inclination - Igeret Hamusar of the Rambam.

Pharaoh = nape of the neck - Ibid.

מצרים (Egypt) = confinements - Torah Or, Ibid.

ארץ מצרים = wanting Egypt - 

Original Exodus from Egypt has enabled religious freedom - Sefer Hamaamarim, ibid.

Egypt on every level - Torah Or, ibid.

All limits will be undone - Talmud, Shabbat 118a.

Synergy between Pharaoh and the Government at the End of Days - based on the general synergy between the Exodus from Egypt and the Final Redemption that's alluded to in the verse "Like the days of your going out of the land of Egypt, will I show him wonders" (Micha 7:15).  Also see Pharaoh's Tzaraat and Bereshit Rabba 1:26.

Transformation of Egypt/Pharaoh in the Final Redemption - Sefer Hasichot 5752 Parashat Bo Par. 10-11.  Also see Talmud Sanhedrin 59b regarding the Serpent (the embodiment of Evil in this world) which will be an important servant for G-d in the Future Times, noting Pharaoh is compared to a serpent (Ezekiel 29:3).

Jacob's blessing of Pharaoh's welfare - Genesis 47:7.

One should pray for the well-being of the government - Mishna Avot 3:2