Earth 712 in the Marvel Multiverse.

Marvel Masterworks: The Avengers, vol.9
Reprints Avengers #80-88 (September 1970 – May 1971); & Incredible Hulk #140 (June 1971).
This story crosses over with the Marvel Universe
Avengers: The Serpent Crown
Reprints Avengers #141-144 & #147-149 (November 1975 – February 1976 & May 1976 – July 1976).
This story crosses over with the Marvel Universe
The Defenders Epic Collection, vol,7: Ashes, Ashes
Reprints The Defenders #110-125 (August 1982 – November 1983); & Avengers Annual #11 (1982).
Only Defenders #111-115 feature the Squadron. This story crosses over with the Marvel Universe
Squadron Supreme by Mark Gruenwald
Reprints Squadron Supreme #1–12 (September 1985 – August 1986); Captain America #314 (February 1986) & Squadron Supreme: Death of a Universe (1989).
This story crosses over with the main Marvel Universe.
Quasar: Cosmos in Collision
Reprints Quasar #10-25 (May 1990 – August 1991).
This story crosses over with the main Marvel Universe
Avengers Assemble, vol.1
Reprints Avengers #1-11 (February 1998 – December 1998); Avengers/Squadron Supreme ’98 Annual (1998); Captain America #8 (August 1998); Iron Man #7 (August 1998); & Quicksilver #10 (August 1998).
This story crosses over with the main Marvel Universe
Exiles Ultimate Collection, vol.5
Reprints Exiles #75-89 (March 2006 – February 2007) & Annual #1 (February 2007).
This volume crosses over with the Age of Apocalypse universe and the Future Imperfect universe.