Apocalypse (saga)

The Apocalypse storyline trilogy is a series of three storylines; Apocalypse, Apocalypse II: Left Behind, and Apocalypse III: Divided Destiny. Each storyline continues the previous one.

Speculation
There has been speculation that another installment is to be made. Smith responded by saying "Are you fucking retarded? Another Apocalypse installment? Pfft... three is enough."