The indicia for issues #1-4 read just "The Avengers".
#1, 2 have "King-Size Special" as the logo on the front cover, "Avengers Special" in the price box, and "The Avengers" in the indicia.
#4 has "King-Size Special" as the logo on the front cover, "Avengers Special" in the price box, and "The Avengers" in the indicia.
#5 has "The Mighty Avengers Special" as the logo, "Avengers Special" in the price box, and "The Avengers" in the indicia.
By issue #6 it has "King-Size Annual" as the logo on the front cover, "Avengers Annual" in the price box, and "The Avengers Annual" in the indicia. (per Michel Faber June 16, 2006).