You’re a villain that was brought on a mission with the Avengers solely because you actually were crucial to this mission and they actually needed your help. While mid mission, they actually thought you died and they recognized your act of redemption by helping them in a mission without backstabbing them so they gave you a funeral but little did they know that you faked your death. So, at your funeral, the Avengers were looking over your casket, not noticing you made an appearance