Appearances
- The Time Variance Authority are staffed entirely by Mark Gruenwalds.
- Mark Gruenwald is also portrayed as the current Director of Project PEGASUS (a callback to his Project PEGASUS saga).
- Mark Gruenwald appears as himself, a part of the Marvel Bullpen, in The Star Brand.
- Haywire, of Squadron Supreme, is residing on Mount Gruenwald during Celestial Quest.