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Through the Marvel Multiverse, there is one Hawkeye ‘standard’, from Earth 616:
“Clinton Barton was a former circus worker and criminal-turned-hero, who received his archery skills as a young boy through training with Swordsman and Trickshot. Barton would eventually join both the East Coast and West Coast branches of The Avengers, even leading at one time, but was killed by the Scarlet Witch.”
From the Marvel Wikipedia
Avengers Assemble is a TV cartoon series that takes place in Earth-TRN123 The following is an excerpt from Hawkeye’s entry in the Marvel Wikipedia:
“Agent Clint Barton, alias Hawkeye is a former S.H.I.E.L.D. agent and master archer, who was recruited to join the Avengers to stop an alien invasion along with Iron Man, Captain America, Thor and Hulk. Over his career he has worked closely with Natasha Romanoff aka the “Black Widow”.”
From the Marvel Wikipedia
