Board Thread:Questions and Answers/@comment-11276487-20131125022524/@comment-4651179-20131229034349

Xemnas-Spidey wrote: Speaking of which didn't Ultimate Ironman just recently die?

No. He transferred his consciousness to a digital state (because his brain could do that because it had been irradiated by an Infinity Gem for years), and then used another Infinity Gem to return to his previously-rotten body.