However, during a skirmish with the X-Men, Wolverine's claws nearly took off his arm and revealed that he was a cyborg, not a mutant.

Is Wolverine a robot?

This version of Wolverine first appeared in Wolverine #37 (1991) as a robotic copy of the popular X-Men hero build by Donald Pierce and the Ravagers. He goes by the name Albert, after Albert Einstein and was originally designed to help lure Wolverine into a deadly trap along with his robotic ally Elsie-Dee.

How did Wolverine get his powers?

James's mutant abilities were triggered when his father was shot by the Howlett groundskeeper Thomas Logan, whom he did not know was his real father. ... The experiment was successful and gave Logan more control over his berserker nature, but also wiped him of any residual memories he had lingering in his head.