Marvel 1985 by Margaret Millar

In a gripping tale that blurs the lines between reality and fiction, a young boy named Toby Goodman discovers that the characters from his beloved comic books have mysteriously come to life in his small town. As the boundaries between the comic world and the real world begin to dissolve, Toby must navigate a landscape filled with both wonder and danger. With the help of his estranged father, Toby embarks on a thrilling adventure to uncover the truth behind this bizarre phenomenon and to save his town from the chaos unleashed by these fantastical beings.