Perhaps no Spider-Man storyline has proven as divisive as the epic "Clone Saga" which ran for over two years in the mid-1990s. It chronicled the replacement of Peter Parker by his clone Ben Reilly, who had spent the last five years in exile. During the tumultuous event, Peter's beloved aunt died, he discovered his wife was pregnant, and for a time he even thought he was a clone. The sprawling epic, which spanned over two hundred comics, ended with a return to the status quo when Ben died and Peter's baby was abducted and never seen again. Fans seem to either love or hate the saga, but a closer look at the stories within it reveals a mix of good and bad stories.
Source:https://www.cbr.com/best-spiderman-clone-saga-marvel-comics/