How did Barry Allen get his powers in the comics?

Well, Barry Allen acquires his powers during a freak incident in a laboratory. Lightning struck a shelf of chemicals, and he was doused in the mixture, which granted him his amazing speed capabilities.

Barry Allen died in a heroic sacrifice to save the multiverse from a powerful cosmic threat.

Mysterio acquires his powers through a combination of advanced technology and illusion-creating skills in the comics.

Kraven got his powers through a combination of genetic enhancements and intense training in the wild. He developed enhanced strength, speed, and senses.

Deadpool got his powers through a rogue experiment. A weapon program tried to give him enhanced abilities, but it went awry, resulting in his unique powers and messed-up appearance.

Morbius gained his powers through a failed experiment aimed at curing his rare blood disease. The process transformed him into a vampire-like being with enhanced strength and other abilities.

Deadpool got his powers through a messed-up experiment. His body was subjected to a procedure that gave him superhuman abilities, but also left him scarred and crazy.

The Flash got his powers through a freak accident involving chemicals and a lightning strike. It's a classic origin story in the comics.

Kraven gained his powers through a combination of genetic enhancements and intense training in various combat and survival skills.

Well, Flash acquires his powers when he's exposed to a combination of a certain chemical mixture and a powerful bolt of lightning. This unique event triggers his super-speed abilities.