A boy left school after being bullied for his Halloween costume. He made a heroic return.

A 10-year-old boy is being called a true superhero for returning to school after he was bullied for his Ironman Halloween costume on a bus ride to school.

His mother, Jill Struckman, detailed the journey from excitement to tears and back to a proud moment in a series of Facebook posts that have been shared hundreds of thousands of times.

On Oct. 22 around 9 a.m., Struckman posted photos of her son Evan dressed up as a mini Tony Stark for a Halloween party at a Missouri elementary school. She noted her little Mr. Stark wanted to ride to school in a Mercedes but had to ride the bus due to a shortage of time.

"I hope his school is ready for this guy. He only answers to 'Tony' or 'Mr. Stark,'" Struckman wrote.

Less than an hour later, Struckman shared she had received a call from his school that Evan was crying after being teased by other students for his costume. She said the kids told him he "looked stupid," and Evan went to the bathroom to wash the fake goatee off his face.

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He told Struckman he did not want to stay for the party, and she went to pick him up from school. She shared photos of what he looked like after being bullied in a post shared on Facebook over 270,000 times.

"We both have swollen eyes from crying and are on our way to try to find ice cream," she wrote. "Kids need to understand that WORDS hurt."

Struckman took Evan to Starbucks where they discussed his feelings, according to another Facebook post.

Evan decided he didn't want to miss the party, so the duo headed home to redo his makeup and he got that ride in the Mercedes after all.

"If you’ve seen my posts this morning you know what a roller coaster it has been," Struckman wrote. "Thanks for all the sweet words (and offers to beat up 10-year-olds) lol, I do appreciate you all."

Struckman told USA TODAY that they have been blown away by the kind messages they have received since the incident from around the world. She said people have offered to send him money through Cash App and Venmo but would rather people send him a postcard.

As for Evan, she said he is happy his story is being used to get people to talk about bullying.

"I am so proud of him for going back because, honestly, I don’t think I would have had the courage to do so myself," she said.

"We’ve also come to the realization that there are far more good people out there than bad!"

Follow reporter Asha Gilbert @Coastalasha. Email: agilbert@usatoday.com.

This article originally appeared on USA TODAY: Boy bullied for his Tony Stark Halloween costume returns to school