The Flash #110

The Flash Vol. 1 #110 (1959)

This is the "Mega Key" issue and is highly valuable.

• Key Fact: First appearance and origin of Wally West as Kid Flash.
• Key Fact: First appearance and origin of the Weather Wizard(Mark Mardon).
• Synopsis:* "The Challenge of the Weather Wizard!": Barry Allen investigates a strange localized storm and discovers Mark Mardon, a criminal using a "weather wand" invented by his late brother to commit revenge-driven crimes.
  • "Meet Kid Flash!": Iris West’s nephew, Wally West, visits Barry’s lab. In a "two-in-a-million" coincidence, a lightning bolt strikes a shelf of chemicals, dousing Wally in the exact same way Barry was empowered. Barry reveals his identity and trains Wally as his sidekick.