Grok

Grok is a supporting character from Marvel's Killraven science-fiction series, inhabiting a dystopian future-war setting where Earth has been conquered by alien invaders. Grok travels alongside Killraven and his band of freedom fighters as they battle against Martian oppressors.

A creature of the Marvel Bronze Age, Grok made their debut in Amazing Adventures #29 (1975), born from the imaginative partnership of writer Don McGregor and artist Craig Russell during one of that era's most celebrated science-fiction runs. Sharing the page with fan-favorites like Killraven, M'Shulla Scott, and Old Skull, Grok inhabits a vividly realized corner of Marvel's future-war cosmos that has earned devoted admirers for decades. With appearances stretching all the way to 2021 and a place in the Killraven Epic Collection: Warrior of the Worlds, this character is a genuine piece of Bronze Age Marvel history — rare enough to intrigue any serious collector who loves the era when comics dared to be genuinely strange and ambitious.