Honestly, there's no definite record that indicates Jack Kirby went to Comic Con. Maybe he did, but it's not something that's been prominently documented or widely discussed in the comic community.
It's hard to give an exact number. Kirby's contribution to comic issues varies depending on different projects and series. But it's safe to say it's a considerable amount.
Jack Kirby revolutionized comic book art by introducing dynamic panel layouts and bold, imaginative characters. His style was highly influential and set new standards for the industry.
Jack Kirby illustrated countless comic books. His contributions to the comic book industry are vast and diverse. Estimating the exact number is challenging, but it's safe to say it's a large quantity.
Definitely Naruto. Naruto would be curious about Kirby's abilities and would probably want to be friends right away. They could have some fun training sessions together, with Kirby showing off his inhaling skills and Naruto his new Rasengan variations. Also, Sakura might interact with Kirby. She could be initially a bit skeptical but would come around when she sees how Kirby can be helpful in medical situations by using his powers to quickly gather medicinal herbs or supplies.
In such fanfiction, Kirby is often depicted as his cute, round self, but with a more tender side when it comes to his feelings for Jigglypuff. He might use his unique abilities to protect or impress Jigglypuff.
Ruby could be a great friend for Kirby. They both have a sort of innocence about them. Ruby's love for adventure and her kind heart would make her open to befriending Kirby. They could go on adventures together and Ruby could help Kirby understand the world of Remnant.