Complex sentence: When the JLA fought Doomsday alongside Superman, Blue Beetle realized Bloodwynd's identity when his cryptic teammate was incapacitated by fire in the comic version bloodwynd refused to be taken along with others for treatment and instead mysteriously disappears.
Split into simpler sentences: When the JLA fought Doomsday alongside Superman, Blue Beetle realized Bloodwynd's identity when his cryptic teammate was incapacitated by fire. Following the battle, Bloodwynd refused to be taken along with others for treatment and instead mysteriously disappears.