Marvel just revealed new details about Wolverine's healing factor, shedding further light on how it gives the mutant hero supplemental superpowers. That has effectively turned this arc into an extended love letter to Wolverine's healing as the true defining feature of his character. ​​​​​​​Wolverine's healing factor... is always working to optimize his bodily performance. This reiterates to readers that Wolverine's healing factor is constantly active, even when he's not healing from grievous bodily injuries. Wolverine's healing factor rapidly clears out lactic acid and other "toxins" and repairs muscle on-the-fly.