Complex sentence: When Mike Clemson, founder of Death Web, captured Spider-Woman's daughter Rachel, he blackmailed her into fighting Spider-Man, even though she nearly killed Spider-Man, she couldn't commit murder, and Spider-Man helped her rescue Rachel.
Split into simpler sentences: When Mike Clemson, founder of Death Web, captured Spider-Woman's daughter Rachel, he blackmailed her into fighting Spider-Man. Even though she nearly killed Spider-Man, she would not commit an act of murder, and Spider-Man helped her rescue Rachel.