There have been various crises in DC Comics over the years. One notable one was the 'Crisis on Infinite Earths', which involved multiple universes colliding and a major rewrite of the DC continuity.
The count of crisis stories in DC Comics isn't straightforward. Different fans and experts might have different opinions on which stories qualify. However, it's clear that there are a considerable number that have left a mark on the DC universe.
Flash often uses his super speed and quick thinking to navigate through crises. His speed gives him the ability to react fast and find solutions that others might miss.
Crisis on Infinite Earths in the comics concludes with a battle of epic proportions. Heroes unite from different realities and, in the end, the fabric of the multiverse is altered in ways that have long-lasting effects on DC Comics.
The main way it ruined DC Comics was that it threw the established order into chaos. It made it hard for new readers to jump in and for long-time fans to keep up. Plus, it seemed to sacrifice character development for the sake of a big event.
In Crisis on Infinite Earths comics, not many Supermen die. Usually, it's a limited number, and the focus is more on the overall story and multiverse chaos.
It's hard to say. Maybe comics often deal with complex themes, but avoiding the existential crisis might mean focusing on more light-hearted or escapist content.
One main theme is secrecy. The heroes' secrets play a huge role in the story. Another is morality. The actions of the heroes are put to the test morally.