In the comics, the Avengers' fate is complex. Sometimes characters appear to die but are later revived through various plot devices or storylines. It's not a straightforward yes or no.
In the end, Fan Xian did not really die. In the ending of " Celebrating Years," Fan Xian was stabbed by Yan Bingyun. His injuries were serious, but he did not die. In reality, this was a plan to avoid the Second Prince's pursuit. Fan Xian used the method of avoiding Qi and successfully avoided fatal injuries. Reinforcements came to rescue him. Fan Xian had predicted this scene beforehand. He was wearing protective armor and knew how to fake his death. Thus, Fan Xian did not die in the end.
In the end, Fan Xian did not really die. Fan Xian was stabbed by Yan Bingyun at the end of " Celebrating Years." His injuries were serious, but he did not die. In reality, this was a plan to avoid the Second Prince's pursuit. Fan Xian used the method of avoiding Qi and successfully avoided fatal injuries. Reinforcements came to rescue him. Thus, Fan Xian did not really die in the end.