Marvel's January solicts are out, and there are a bunch of "Marvel vs Alien" variant covers listed, including ones for Venom #32 by Ryan Brown:
King in Black #3 by Valerio Giangiordano:
Black Cat #2 by Peach Momoko:
Guardians of the Galaxy #10 by Pepe Larraz
Iron Fist - Heart of the Dragon #1 by Kim Jacinto:
Wolverine #9 by R.B. Silva:
X-Men #17 by Russel Dauterman:
Iron Man #5 by :Junggeun Yoon:
Immortal Hulk #43 by Declan Shalvey:
Fantastic Four #28 by Joshua Cassara:
Avengers #41 by Leinil Yu:
Captain America #27 by Ivan Shavrin:
Captain Marvel #25 by Jamie McKelvie:
Black Widow #5 by Terry Dodson:
Amazing Spider-Man #56 by Mark Bagley:
Miles Morales - Spider-Man #22 by Valerio Schiti:
Thor #11 by Daniel Warren Johnson:
Shang-Chi #5 by Iban Coello:
There are also listing for variants for Spider-Woman #8 by Javier Garron, Daredevil #26 by Rahzzah and X-Force #16 and Marauders #17 both by Salvador Larroca, but those don't seem to have been revealed yet.