In the comics, Black Zero was a villain who caused Krypton to explode. However, this storyline was soon ignored and Krypton was said to have blown up due to a natural disaster. See more
Kal-El. My future grandson. This is the story of the House of El. Our ending has yet to be written. But this is how it began. Ours is a story of sacrifice and triumph. How the House of El led a revolution against tyranny. The story of your family isn't how we died. But how we lived.