The Abyss #4 has a variant cover by Miguel Sepulveda and Alex Sinclair which is now availble. You can find it here.
The regular edition of The Abyss #4 is also still available here.
Earlier issues can be found for free, under "Free To Read."
It's magic vs machine in this issue as the Abyss and his allies race to stop the return of the Red King. All 24 glorious pages of The Abyss #4 can be had for a mere $1.51 at Interpop Comics. Back issues can be found there at no cost under "Free to Read."
