Mr. Harrington (Peter Parker's Academic Decathlon chaperone/teacher in Homecoming) was a “computer nerd” at Culver University in the Incredible Hulk. Banner bribed him with pizza to use the computer in the lab. :
Kevin Feige Confirms Two Marvel Cinematic Universe Characters Are Actually the Same Person
Spider-Man: Far From Home - J.B. Smoove Goes OFF On The Contentious Relationship Between Mr. Dell And Mr. Harrington (Exclusive) - LRM
Roger Harrington | Marvel Cinematic Universe Wiki | Fandom
Theory: Mr. Harrington is absorbing all of Peter Parker's bad luck | SYFY WIRE
Roger Harrington | Marvel Cinematic Universe Wiki | Fandom
10 Movie Characters Who Debuted Much Earlier Than You Think – Page 6
2017 UD Spider-Man Homecoming Friend or Foe #FF9 Mr. Harrington | eBay
Marvel Facts på Twitter: "Kevin Feige confirms that Martin Starr's character in 'The Incredible Hulk' is Mr. Harrington from 'Spider-Man: Homecoming' (via r/MarvelStudios) https://t.co/3SYWHiGNpw" / Twitter
Heroic Hollywood on Twitter: "'Spider-Man: Far From Home' Set Photo Teases More Trouble For Mr. Harrington https://t.co/iG6h10k1rn https://t.co/N9Re4MsA9D" / Twitter
Roger Harrington | Marvel Cinematic Universe Wiki | Fandom
Mr.Harrington | Spiderman homecoming, Hulk spiderman, Incredible hulk