Complex sentence: Devil's Due is a five issue comic book mini-series, which serves as a follow-up to "Ultimate Daredevil and Elektra", both published by Marvel Comics under the Ultimate Marvel imprint.
Split into simpler sentences: Devil's Due is a five-issue comic book mini-series, which serves as a follow-up to "Ultimate Daredevil and Elektra". Both were published by Marvel Comics under the Ultimate Marvel imprint.