2008, Roz Kaveney, Superheroes!: Capes and Crusaders in Comics and Films, I. B. Tauris Co. Ltd (2008), →ISBN, page 7:
In the Marvelverse, mutants are potential victims of hate crimes and of state-sponsored pogroms, and of the sort of bureaucratic prying that is often a prelude to the latter.
2010, Jennifer K. Stuller, Ink-stained Amazons and Cinematic Warriors: Superwomen in Modern Mythology, I. B. Tauris & Co. Ltd (2010), →ISBN, unnumbered page:
Marvelverse characters Araña Corazon and Elektra Natchios were raised by single fathers after the deaths of their mothers.
2014, David Leary, Joss Whedon, A Creative Portrait: From Buffy the Vampire Slayer to The Avengers, I. B. Tauris & Co. Ltd (2014), →ISBN, page 39:
Marvel's appeal for Whedon was not just to his inner television writer/director-filmmaker-comic book author; the Marvelverse presented an inviting imaginative home for Whedon's own childhood psyche.
2015, "Glossary", in The Comics of Joss Whedon: Critical Essays (ed. Valerie Estelle Frankel), McFarland & Company (2015), →ISBN, page 224:
Licensed crossovers often appear between characters in the Marvelverse or the Buffyverse.