Superman became once more the sole survivor of the planet Krypton.
The story begins with a retelling of the destruction of planet Krypton.
On the planet Krypton, whose sun was an ancient red supergiant with a relatively low energy output, their natural abilities were the same as humans.
He was presumably destroyed along with the planet Krypton.
Located on the planet Krypton, it is the birthplace of Superman.
It is hinted that she may have been responsible for the destruction of the planet Krypton as a means to create the ultimate despair.
Details about the planet Krypton are revealed slowly over the course of the series.
A nuclear chain-reaction in its core caused a massive explosion, destroying the planet Krypton.
Beppo, despite his resemblance to an Earth monkey, is from the planet Krypton.
Following this incident, astronomers announce that they have discovered the remains of the dead planet Krypton.