Marvel
X-Men: Children of the Atom #[7]
published January 2019
The Official Marvel Index to the X-Men #6 published May 1988
Classic X-Men #25 [Direct Edition] published September 1988
El Asombroso Hombre AraƱa Presenta #85 published November 1989
Marvel Masterworks #24 published September 1993
Essential X-Men #1 [First Printing] published October 1996
Marvel Gold. La Imposible Patrulla-X #1 published April 2011
Classic X-Men #25 [Direct Edition] published September 1988
Marvel Masterworks #24 published September 1993
Essential X-Men #1 [First Printing] published October 1996
Marvel Special #9 published December 1996
Marvel Gold. La Imposible Patrulla-X #1 published April 2011