X-Men Annual #3, NM-Arkon!, Marvel Comics Group, 1979 JR1

X-Men King-Size Annual #3 featuring the first detailed exploration of Arkon, a powerful interdimensional warrior. This issue showcases an epic battle between the X-Men and Arkon, highlighting his advanced technological capabilities and aggressive combat strategies. The cover dramatically depicts multiple X-Men characters engaged in an intense confrontation with Arkon, with dynamic energy beams and combat poses emphasizing the high-stakes action. The annual format allows for an expanded storyline that delves deeper into Arkon's origins and motivations.