Dimensional Transport (Multiverse) – The ability to move from one dimension to another within a Multiverse but not between comic book multiverses.
Angstrom Levy (Image) is part of the Invincible universe and has this power (The Official Handbook of the Invincible Universe #2).
Lockjaw (Marvel) has this power but Lockjaw is a dog and sometimes goes where he wants to go and now where the humans want to go.
Dimensional Shambler – Field Guide to Cthulhu Monsters
Shub-Niggurath – Field Guide to Cthulhu Monsters
The Bridge (Alternate Reality Viewer) was created by Reed Richards for dimensional travel within the Marvel multiverse in Marvel Fact Files #47 (Eaglemoss).