Complex sentence: The new owner of the "Daily Bugle", which he renames the "DB", he has a personal vendetta against both Spider-Man and Peter Parker, which leads Peter and Robbie Robertson to leave the paper.
Split into simpler sentences: The new owner of the "Daily Bugle", which he renames the DB. He has a personal vendetta against both Spider-Man and Peter Parker, which leads Peter and Robbie Robertson to leave the paper.