156 - Longshot #1 - 6/4/1985

The debut of both Longshot AND Art Adams, two figures who will go on to be significantly players in the X-universe.

Cover by Art Adams. Interiors by Ann Nocenti & Adams.

#XmenADay #XMen #XFactor40 #Longshot

155 -Official Handbook of the Marvel Universe Deluxe Edition #10 - 6/3/1986

Featuring all the power of the Ps (and some Qs and Rs)!

Cover by John Byrne. Interiors by various.

#XmenADay #XMen #XFactor40 #OHOTMU #Polaris #Quicksilver #RachelSummers

154 -X-Men (vol. 2) #10 - 6/2/1992

The beginning of Jim Lee's last X-Men story (and Longshot's last big X-Men story).

Cover by Jim Lee. Interiors by Lee & Scott Lobdell

#XmenADay #XMen #XFactor40 #XMenV2 #Longshot #Cyclops

My four favorite #XFactor40 covers from May! Which one is your favorite?

#XmenADay #XMen #XFactorV3 #UncannyXMen #NewMutantsV3 #DavidYardin #JackKirby #AlexRoss #NealAdams

153 -Spider-Man Fire-star and Iceman - 6/1/1983

What...amazing friends...these three must be.

Compliments of the Denver Post. If anyone knows who wrote this, holler!

Cover by John Romita. Interiors by Win Mortimer

#XmenADay #XMen #XFactor40 #Iceman

152 - X-Factor #32 - 5/31/1988

First appearance of N'astirh.

Don't worry, those aren't the Avengers, just the Skrull-like Xartans.

Cover by Steve Lightle. Interiors by Tom DeFalco, Louise Simonson & Lightle.

#XmenADay #XMen #XFactor40 #Avengers #Cyclops #JeanGrey #Beast #Iceman

151 - Avengers #400 - 5/30/1996

Sucks the Avengers celebrated 400 issues in some of those costumes & w/Onslaught looming, but Waid & 'Ringo make the best of it.

Cover by Mike Deodato Jr. Interiors by Mark Waid & Mike Wieringo.

#XmenADay #XMen #XFactor40 #Avengers #Quicksilver

150 - Giant-Size Astonishing X-Men #1 - 5/29/2008

This reads a lot better when it's not one million months late.

Cover by John Cassaday. Interiors by Joss Whedon & Cassaday.

#XmenADay #XMen #XFactor40 #AstonishingXMen #Cyclops #Angel #Beast #Iceman #Danger

149 - Uncanny Avengers #20 - 5/28/2014

Sunfire!

He's not part of X-Factor (Havok is), but still.

Cover by Daniel Acuna. Interiors by Rick Remender & Acuna.

#XmenADay #XMen #XFactor40 #UncannyAvengers #Havok

148 - Amazing Adventures (vol. 3) #9 - 5/27/1980

Reprinting X-Men #5, with Byrne getting to draw all the OG X-Men at once.

Cover by John Byrne. Interiors by Stan Lee & Jack Kirby

#XmenADay #XMen #XFactor40 #AmazingAdventures #Cyclops #JeanGrey #Angel #Beast #Iceman