In 1979, when Kal-El arrived from the doomed planet of Krypton, he landed in Smallville, where the man and his wife found his pod; being a kind-hearted couple with no children of their own, they raised him as their own son, naming him "Clark Kent". The man and his wife taught Clark important lessons and strong moral values, which led him to deciding to use the extraordinary powers he gained on Earth from its yellow sun to do good, fighting evil and protecting the innocent as Superman.
It's implied that "Pa" Kent could have passed away at some point before 2018; while doing some repairs to the Kent Farm before leaving Earth for more than nine months, Clark spoke like only "Ma" lived there now.
Behind the scenes
- In the DC comics, Clark's adoptive father is named Jonathan Kent, though in the Golden Age, he was named John Kent. In many versions of Superman's myth, both in comics or in film and television adaptations, the character passed away from a heart attack.