Warning! Spoilers for Fantastic Four #40 by Marvel Comics below
As the Reckoning takes over the Marvel Universe, the former Heralds of Galactus are teaming up to recover their former master's body on Asgard and bring him back as a hero. In Fantastic Four #40 by Marvel Comics, the Fantastic Four are informed by the Silver Surfer he can't assist them in the Badoon's attack on Earth - as he's joining his fellow Heralds to help bring Galactus back to life.
Galactus is one of the most intimidating cosmic threats in the entire Marvel Universe, as the Devourer of Worlds feasts on planets, killing a nearly incalculable amount of innocent lives in the process. As a result, Galactus is often perceived as a villain. But, his true purpose is more about restoring cosmic balance than simply causing death in the universe, even if it means destroying entire planets to accomplish that goal. Now, with a massive attack from the Reckoning occurring across the galaxy, Galactus' former Heralds are joining together to unearth their former master's remains.
In Fantastic Four #40 by Dan Slott, Rachael Stott, Jesus Aburtov, and VC's Joe Caramagna, Reed Richards assembles the Fantastic Four, She-Hulk, and Nick Fury at the Baxter Building. The group speaks with a hologram of Silver Surfer, who tells them they are facing "endless conflicts across the width and breadth of reality." Reed Richards tells Norin-Radd they could use his help and asks the former Herald of Galactus to join them against the Badoon. However, Silver Surfer declines, as he reveals the former Heralds of Galactus are fighting to unearth his remains on Asgard. The Surfer takes to Asgard, where Galactus was slain by Thor.
The Fantastic Four openly wonder what the Silver Surfer is doing - and whether he is helping protect Asgard or joining the former Heralds in helping recover his corpse. It seems like after learning from the Queen of the Nevers the Reckoning poisoned Eternity, Silver Surfer is joining his former Heralds to brick back Galactus so he can help take down the newly emerged villains. Galactus is one of the most powerful cosmic forces in existence, so bringing him back to life will give the Heralds a considerable weapon in their current battle. A resurrected Galactus effectively would become a hero in a time of great crisis.
It seems Silver Surfer will need to resurrect the cosmic being responsible for the most pain and suffering in his life to stop an even more significant threat in the Reckoning. It's a risky proposition to bring back Galactus from the dead, but the whole universe might not survive without his help. Galactus might not be being turned into a traditional hero (such as his Lifebringer form), but his resurrection appears to be key in saving the Marvel Universe.