original_query: Who is Jack O'Lantern in the Marvel Comics universe?
query: Who is Jack O'Lantern in the Marvel Comics universe?
answer: Jack O'Lantern is an alias used by several supervillains in Marvel Comics, each with their own distinct origin stories and powers.  The most prominent are Jason Macendale (a mercenary who also became the Hobgoblin), Steven Mark Levins (a professional criminal), and various other individuals who have adopted the identity.