Data BD-ThequeBedethequeComic Book DBComic VineDC DatabaseGCDGuía del cómicI.N.D.U.C.K.S.LambiekMarvel DatabaseMarvel UniverseMarvunappMike’s Amazing World of ComicsOHotMU A-Z BibliographySlumberlandTebeosferaToonopediaUHBMCCUniverso Marvel