Complex sentence: Spider-Man 2099 is a fictional superhero created by Peter David and Rick Leonardi in 1992 for Marvel Comics' Marvel 2099 comic book line.
Split into simpler sentences: Spider-Man 2099 is a fictional superhero appearing in American comic books published by Marvel Comics. The character was created by Peter David and Rick Leonardi in 1992 for Marvel Comics' Marvel 2099 comic book line.