Real Name: Alexander Summers

Current Group Affiliation: Avengers

Former Group Affiliation: X-Men, Brotherhood, Six (of Earth-1298), Starjammers, X-Factor

1st Appearance (as Alex Summers): X-MEN(v.1)#54 (1969)
(as Havok): X-MEN(v.1)#59 (1969)

Issue Joined: UNCANNY AVENGERS#2

Status: Eighty-first recruit, inactive member

Known Superhuman Powers: Havok can absorb ambient cosmic radiation and project it outward as plasma blasts.

Other Aliases: None

Issues of Avengers featuring Havok:

UNCANNY AVENGERS#2-5, #8, #9-13, #15, #21-25, Annual#1; YOUNG AVENGERS VOL. 2: #2

(as non-member ally): UNCANNY AVENGERS#1

(as Alex Summers): UNCANNY AVENGERS#7