History of Nintendo
In 1972, the first commercially available video game console, the Magnavox Odyssey, had a light gun accessory, the Shooting Gallery. This was the first involvement of Nintendo in video games. According to Martin Picard in the "International Journal of Computer Game Research": "in 1971, Nintendo had -- even before the marketing of the first home console in the United States -- an alliance with the American pioneer Magnavox to develop and produce optoelectronic guns for the Odyssey (released in 1972), since it was similar to what Nintendo was able to offer in the Japanese toy market in 1970s".
John F. Dunn
After graduating, Dunn took a job at Atari where he worked as one of the company's first game developers. In 1978, he programmed the Atari 2600 "Superman" video game, a tie-in game to the 1978 film of the same name. Dunn designed the gameplay and graphics and wrote both the story and the game manual. In 2017, "Guinness World Records" identified it as the first superhero video game and the first video game/movie tie-in. Superman was also recognized as the longest-running video game character.